<?xml version="1.0" encoding="UTF-8" ?>
<!-- Generated by DataTracks version 1.1.9 on 09-Aug-2016 [01:51:52] {PM} EST - www.datatracks.com -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#DocumentAndEntityInformation" roleURI="http://lbio.com/role/DocumentAndEntityInformation" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#GeneralOrganizationAndBusiness" roleURI="http://lbio.com/role/GeneralOrganizationAndBusiness" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#SummaryOfSignificantAccountingPractices" roleURI="http://lbio.com/role/SummaryOfSignificantAccountingPractices" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#CashMoneyMarketFundsAndShorttermInvestments" roleURI="http://lbio.com/role/CashMoneyMarketFundsAndShorttermInvestments" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#StockholdersEquity" roleURI="http://lbio.com/role/StockholdersEquity" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#StockOptionsAndWarrants" roleURI="http://lbio.com/role/StockOptionsAndWarrants" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#LicensesAndCommitments" roleURI="http://lbio.com/role/LicensesAndCommitments" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#LegalProceedings" roleURI="http://lbio.com/role/LegalProceedings" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#Continengies" roleURI="http://lbio.com/role/Continengies" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#CondensedBalanceSheets" roleURI="http://lbio.com/role/CondensedBalanceSheets" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#SummaryOfSignificantAccountingPracticesPolicies" roleURI="http://lbio.com/role/SummaryOfSignificantAccountingPracticesPolicies" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#SummaryOfSignificantAccountingPracticesTables" roleURI="http://lbio.com/role/SummaryOfSignificantAccountingPracticesTables" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#CashMoneyMarketFundsAndShorttermInvestmentsTables" roleURI="http://lbio.com/role/CashMoneyMarketFundsAndShorttermInvestmentsTables" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#StockholdersEquityTables" roleURI="http://lbio.com/role/StockholdersEquityTables" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#StockOptionsAndWarrantsTables" roleURI="http://lbio.com/role/StockOptionsAndWarrantsTables" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#LicensesAndCommitmentsTables" roleURI="http://lbio.com/role/LicensesAndCommitmentsTables" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#CondensedBalanceSheetsParenthetical" roleURI="http://lbio.com/role/CondensedBalanceSheetsParenthetical" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#GeneralOrganizationAndBusinessDetailsTextual" roleURI="http://lbio.com/role/GeneralOrganizationAndBusinessDetailsTextual" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#SummaryOfSignificantAccountingPracticesDetails" roleURI="http://lbio.com/role/SummaryOfSignificantAccountingPracticesDetails" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#SummaryOfSignificantAccountingPracticesDetails1" roleURI="http://lbio.com/role/SummaryOfSignificantAccountingPracticesDetails1" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#SummaryOfSignificantAccountingPracticesDetailsTextual" roleURI="http://lbio.com/role/SummaryOfSignificantAccountingPracticesDetailsTextual" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#CashMoneyMarketFundsAndShorttermInvestmentsDetails" roleURI="http://lbio.com/role/CashMoneyMarketFundsAndShorttermInvestmentsDetails" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#CashMoneyMarketFundsAndShorttermInvestmentsDetails1" roleURI="http://lbio.com/role/CashMoneyMarketFundsAndShorttermInvestmentsDetails1" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#CashMoneyMarketFundsAndShorttermInvestmentsDetails2" roleURI="http://lbio.com/role/CashMoneyMarketFundsAndShorttermInvestmentsDetails2" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#CashMoneyMarketFundsAndShorttermInvestmentsDetailsTextual" roleURI="http://lbio.com/role/CashMoneyMarketFundsAndShorttermInvestmentsDetailsTextual" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#StockholdersEquityDetails" roleURI="http://lbio.com/role/StockholdersEquityDetails" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#CondensedStatementsOfOperations" roleURI="http://lbio.com/role/CondensedStatementsOfOperations" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#StockholdersEquityDetailsTextual" roleURI="http://lbio.com/role/StockholdersEquityDetailsTextual" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#StockOptionsAndWarrantsDetails" roleURI="http://lbio.com/role/StockOptionsAndWarrantsDetails" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#StockOptionsAndWarrantsDetailsTextual" roleURI="http://lbio.com/role/StockOptionsAndWarrantsDetailsTextual" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#LicensesAndCommitmentsDetails" roleURI="http://lbio.com/role/LicensesAndCommitmentsDetails" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#LicensesAndCommitmentsDetailsTextual" roleURI="http://lbio.com/role/LicensesAndCommitmentsDetailsTextual" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#LegalProceedingsDetailsTextual" roleURI="http://lbio.com/role/LegalProceedingsDetailsTextual" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#ContinengiesDetailsTextual" roleURI="http://lbio.com/role/ContinengiesDetailsTextual" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#CondensedStatementsOfComprehensiveLoss" roleURI="http://lbio.com/role/CondensedStatementsOfComprehensiveLoss" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#StatementOfStockholdersEquity" roleURI="http://lbio.com/role/StatementOfStockholdersEquity" />

  <roleRef xlink:type="simple" xlink:href="lbio-20160630.xsd#StatementsOfCashFlows" roleURI="http://lbio.com/role/StatementsOfCashFlows" />

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/DocumentAndEntityInformation">
    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_DocumentAndEntityInformationAbstract" xlink:label="loc_lbio_DocumentAndEntityInformationAbstract_2" />

    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentInformationTable" xlink:label="loc_dei_DocumentInformationTable_3" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lbio_DocumentAndEntityInformationAbstract_2" xlink:to="loc_dei_DocumentInformationTable_3" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_861" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationTable_3" xlink:to="loc_us-gaap_StatementClassOfStockAxis_861" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_862" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_861" xlink:to="loc_us-gaap_ClassOfStockDomain_862" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentInformationLineItems" xlink:label="loc_dei_DocumentInformationLineItems_4" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationTable_3" xlink:to="loc_dei_DocumentInformationLineItems_4" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_806" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_4" xlink:to="loc_dei_DocumentType_806" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_807" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_4" xlink:to="loc_dei_AmendmentFlag_807" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_808" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_4" xlink:to="loc_dei_DocumentPeriodEndDate_808" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_809" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_4" xlink:to="loc_dei_DocumentFiscalYearFocus_809" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_810" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_4" xlink:to="loc_dei_DocumentFiscalPeriodFocus_810" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_811" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_4" xlink:to="loc_dei_EntityRegistrantName_811" use="optional" order="10" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_812" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_4" xlink:to="loc_dei_EntityCentralIndexKey_812" use="optional" order="11" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_813" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_4" xlink:to="loc_dei_CurrentFiscalYearEndDate_813" use="optional" order="12" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_814" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_4" xlink:to="loc_dei_EntityFilerCategory_814" use="optional" order="13" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_TradingSymbol" xlink:label="loc_dei_TradingSymbol_815" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_4" xlink:to="loc_dei_TradingSymbol_815" use="optional" order="14" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_816" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_4" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_816" use="optional" order="15" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/GeneralOrganizationAndBusiness">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_160" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xlink:label="loc_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_161" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_160" xlink:to="loc_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_161" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/SummaryOfSignificantAccountingPractices">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_178" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_SignificantAccountingPoliciesTextBlock_179" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_178" xlink:to="loc_us-gaap_SignificantAccountingPoliciesTextBlock_179" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/CashMoneyMarketFundsAndShorttermInvestments">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract_269" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestmentsTextBlock" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestmentsTextBlock_270" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract_269" xlink:to="loc_us-gaap_CashCashEquivalentsAndShortTermInvestmentsTextBlock_270" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/StockholdersEquity">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="loc_us-gaap_StockholdersEquityNoteAbstract_383" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_384" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_383" xlink:to="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_384" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/StockOptionsAndWarrants">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_425" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_426" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_425" xlink:to="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_426" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/LicensesAndCommitments">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_319" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_320" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_319" xlink:to="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_320" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/LegalProceedings">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LossContingencyAbstract" xlink:label="loc_us-gaap_LossContingencyAbstract_300" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LegalMattersAndContingenciesTextBlock" xlink:label="loc_us-gaap_LegalMattersAndContingenciesTextBlock_870" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingencyAbstract_300" xlink:to="loc_us-gaap_LegalMattersAndContingenciesTextBlock_870" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/Continengies">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LossContingencyAbstract" xlink:label="loc_us-gaap_LossContingencyAbstract_841" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LossContingencyDisclosures" xlink:label="loc_us-gaap_LossContingencyDisclosures_842" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingencyAbstract_841" xlink:to="loc_us-gaap_LossContingencyDisclosures_842" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/CondensedBalanceSheets">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_17" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_18" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_17" xlink:to="loc_us-gaap_StatementTable_18" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_19" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_18" xlink:to="loc_us-gaap_StatementClassOfStockAxis_19" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_20" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_19" xlink:to="loc_us-gaap_ClassOfStockDomain_20" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SeriesAPreferredStockMember" xlink:label="loc_us-gaap_SeriesAPreferredStockMember_818" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_20" xlink:to="loc_us-gaap_SeriesAPreferredStockMember_818" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SeriesBPreferredStockMember" xlink:label="loc_us-gaap_SeriesBPreferredStockMember_819" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_20" xlink:to="loc_us-gaap_SeriesBPreferredStockMember_819" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_21" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_18" xlink:to="loc_us-gaap_StatementLineItems_21" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_22" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_21" xlink:to="loc_us-gaap_AssetsCurrentAbstract_22" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_23" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_22" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_23" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MoneyMarketFundsAtCarryingValue" xlink:label="loc_us-gaap_MoneyMarketFundsAtCarryingValue_24" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_22" xlink:to="loc_us-gaap_MoneyMarketFundsAtCarryingValue_24" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesCurrent" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesCurrent_25" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_22" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesCurrent_25" use="optional" order="10" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_26" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_22" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_26" use="optional" order="11" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_27" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_22" xlink:to="loc_us-gaap_AssetsCurrent_27" use="optional" order="12" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_28" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_22" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_28" use="optional" order="13" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_29" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_22" xlink:to="loc_us-gaap_Assets_29" use="optional" order="14" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_30" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_21" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_30" use="optional" order="15" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_31" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_30" xlink:to="loc_us-gaap_AccountsPayableCurrent_31" use="optional" order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_32" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_30" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_32" use="optional" order="17" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_34" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_30" xlink:to="loc_us-gaap_LiabilitiesCurrent_34" use="optional" order="18" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_35" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_30" xlink:to="loc_us-gaap_CommitmentsAndContingencies_35" use="optional" order="19" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_722" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_21" xlink:to="loc_us-gaap_StockholdersEquityAbstract_722" use="optional" order="20" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_36" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_722" xlink:to="loc_us-gaap_PreferredStockValue_36" use="optional" order="21" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_37" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_722" xlink:to="loc_us-gaap_CommonStockValue_37" use="optional" order="22" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_CommonStockToBeIssuedValue" xlink:label="loc_lbio_CommonStockToBeIssuedValue_38" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_722" xlink:to="loc_lbio_CommonStockToBeIssuedValue_38" use="optional" order="23" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_39" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_722" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_39" use="optional" order="24" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_us-gaap_AdditionalPaidInCapital_40" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_722" xlink:to="loc_us-gaap_AdditionalPaidInCapital_40" use="optional" order="25" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_41" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_722" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_41" use="optional" order="26" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_42" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_722" xlink:to="loc_us-gaap_StockholdersEquity_42" use="optional" order="27" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_43" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_722" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_43" use="optional" order="28" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/SummaryOfSignificantAccountingPracticesPolicies">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_181" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MarketableSecuritiesPolicy" xlink:label="loc_us-gaap_MarketableSecuritiesPolicy_183" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_181" xlink:to="loc_us-gaap_MarketableSecuritiesPolicy_183" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="loc_us-gaap_EarningsPerSharePolicyTextBlock_185" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_181" xlink:to="loc_us-gaap_EarningsPerSharePolicyTextBlock_185" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xlink:label="loc_us-gaap_FairValueMeasurementPolicyPolicyTextBlock_186" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_181" xlink:to="loc_us-gaap_FairValueMeasurementPolicyPolicyTextBlock_186" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy_187" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_181" xlink:to="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy_187" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="loc_us-gaap_UseOfEstimates_188" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_181" xlink:to="loc_us-gaap_UseOfEstimates_188" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:label="loc_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_189" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_181" xlink:to="loc_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_189" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskCreditRisk" xlink:label="loc_us-gaap_ConcentrationRiskCreditRisk_191" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_181" xlink:to="loc_us-gaap_ConcentrationRiskCreditRisk_191" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquityNoteRedeemablePreferredStockIssuePolicy" xlink:label="loc_us-gaap_StockholdersEquityNoteRedeemablePreferredStockIssuePolicy_863" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_181" xlink:to="loc_us-gaap_StockholdersEquityNoteRedeemablePreferredStockIssuePolicy_863" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_ConvertibleInstrumentsPolicyPolicyTextBlock" xlink:label="loc_lbio_ConvertibleInstrumentsPolicyPolicyTextBlock_864" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_181" xlink:to="loc_lbio_ConvertibleInstrumentsPolicyPolicyTextBlock_864" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:label="loc_us-gaap_PriorPeriodReclassificationAdjustmentDescription_193" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_181" xlink:to="loc_us-gaap_PriorPeriodReclassificationAdjustmentDescription_193" use="optional" order="10" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_192" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_181" xlink:to="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_192" use="optional" order="11" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SubsequentEventsPolicyPolicyTextBlock" xlink:label="loc_us-gaap_SubsequentEventsPolicyPolicyTextBlock_805" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_181" xlink:to="loc_us-gaap_SubsequentEventsPolicyPolicyTextBlock_805" use="optional" order="12" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/SummaryOfSignificantAccountingPracticesTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_195" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_196" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_195" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_196" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_197" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_195" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_197" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/CashMoneyMarketFundsAndShorttermInvestmentsTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract_271" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfCashCashEquivalentsAndShortTermInvestmentsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfCashCashEquivalentsAndShortTermInvestmentsTableTextBlock_272" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract_271" xlink:to="loc_us-gaap_ScheduleOfCashCashEquivalentsAndShortTermInvestmentsTableTextBlock_272" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock" xlink:label="loc_us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock_273" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract_271" xlink:to="loc_us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock_273" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock" xlink:label="loc_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_274" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract_271" xlink:to="loc_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_274" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/StockholdersEquityTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="loc_us-gaap_StockholdersEquityNoteAbstract_386" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_387" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_386" xlink:to="loc_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_387" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/StockOptionsAndWarrantsTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_428" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_429" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_428" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_429" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock" xlink:label="loc_us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock_430" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_428" xlink:to="loc_us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock_430" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/LicensesAndCommitmentsTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_322" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RecordedUnconditionalPurchaseObligationsTextBlock" xlink:label="loc_us-gaap_RecordedUnconditionalPurchaseObligationsTextBlock_323" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_322" xlink:to="loc_us-gaap_RecordedUnconditionalPurchaseObligationsTextBlock_323" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/CondensedBalanceSheetsParenthetical">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_133" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_134" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_133" xlink:to="loc_us-gaap_StatementTable_134" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_135" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_134" xlink:to="loc_us-gaap_StatementClassOfStockAxis_135" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_136" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_135" xlink:to="loc_us-gaap_ClassOfStockDomain_136" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SeriesAPreferredStockMember" xlink:label="loc_us-gaap_SeriesAPreferredStockMember_820" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_136" xlink:to="loc_us-gaap_SeriesAPreferredStockMember_820" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SeriesBPreferredStockMember" xlink:label="loc_us-gaap_SeriesBPreferredStockMember_821" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_136" xlink:to="loc_us-gaap_SeriesBPreferredStockMember_821" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_137" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_134" xlink:to="loc_us-gaap_StatementLineItems_137" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_138" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_137" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_138" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_139" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_137" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_139" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_140" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_137" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_140" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued_141" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_137" xlink:to="loc_us-gaap_PreferredStockSharesIssued_141" use="optional" order="10" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_142" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_137" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_142" use="optional" order="11" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PreferredStockRedemptionAmount" xlink:label="loc_us-gaap_PreferredStockRedemptionAmount_822" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_137" xlink:to="loc_us-gaap_PreferredStockRedemptionAmount_822" use="optional" order="12" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_143" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_137" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_143" use="optional" order="13" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_144" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_137" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_144" use="optional" order="14" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_145" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_137" xlink:to="loc_us-gaap_CommonStockSharesIssued_145" use="optional" order="15" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_146" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_137" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_146" use="optional" order="16" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_CommonStockToBeIssuedShares" xlink:label="loc_lbio_CommonStockToBeIssuedShares_147" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_137" xlink:to="loc_lbio_CommonStockToBeIssuedShares_147" use="optional" order="17" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/GeneralOrganizationAndBusinessDetailsTextual">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_163" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_164" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_163" xlink:to="loc_us-gaap_StatementTable_164" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_165" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_164" xlink:to="loc_us-gaap_StatementClassOfStockAxis_165" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_166" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_165" xlink:to="loc_us-gaap_ClassOfStockDomain_166" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_167" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_164" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_167" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_547" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_167" xlink:to="loc_us-gaap_EquityComponentDomain_547" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_546" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_164" xlink:to="loc_us-gaap_RangeAxis_546" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_798" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeAxis_546" xlink:to="loc_us-gaap_RangeMember_798" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_797" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_164" xlink:to="loc_us-gaap_StatementScenarioAxis_797" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_803" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_797" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_803" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_802" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_164" xlink:to="loc_us-gaap_StatementLineItems_802" use="optional" order="10" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_168" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_802" xlink:to="loc_us-gaap_NetIncomeLoss_168" use="optional" order="11" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_169" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_802" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_169" use="optional" order="12" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestments" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_170" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_802" xlink:to="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_170" use="optional" order="13" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_171" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_802" xlink:to="loc_us-gaap_StockholdersEquity_171" use="optional" order="14" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_WorkingCapital" xlink:label="loc_lbio_WorkingCapital_172" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_802" xlink:to="loc_lbio_WorkingCapital_172" use="optional" order="15" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/SummaryOfSignificantAccountingPracticesDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_199" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_200" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_199" xlink:to="loc_us-gaap_StatementTable_200" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_201" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_200" xlink:to="loc_us-gaap_StatementClassOfStockAxis_201" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_202" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_201" xlink:to="loc_us-gaap_ClassOfStockDomain_202" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_203" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_200" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_203" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_206" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_203" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_206" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_207" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_206" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_207" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_205" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_200" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_205" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_209" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_205" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_209" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_210" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_209" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_210" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_217" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_209" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_217" use="optional" order="10" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_218" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_209" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_218" use="optional" order="11" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsAxis" xlink:label="loc_us-gaap_CashAndCashEquivalentsAxis_208" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_200" xlink:to="loc_us-gaap_CashAndCashEquivalentsAxis_208" use="optional" order="12" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_212" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_208" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_212" use="optional" order="13" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_211" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_200" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_211" use="optional" order="14" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_215" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_211" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_215" use="optional" order="15" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_216" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_215" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_216" use="optional" order="16" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_214" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_200" xlink:to="loc_us-gaap_StatementLineItems_214" use="optional" order="17" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_204" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_214" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_204" use="optional" order="18" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/SummaryOfSignificantAccountingPracticesDetails1">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_220" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_221" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_220" xlink:to="loc_us-gaap_StatementTable_221" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_222" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_221" xlink:to="loc_us-gaap_StatementClassOfStockAxis_222" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_223" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_222" xlink:to="loc_us-gaap_ClassOfStockDomain_223" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_224" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_221" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_224" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_227" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_224" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_227" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_229" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_227" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_229" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GeneralAndAdministrativeExpenseMember" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_552" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_227" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_552" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_226" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_221" xlink:to="loc_us-gaap_StatementLineItems_226" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1_225" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_226" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1_225" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/SummaryOfSignificantAccountingPracticesDetailsTextual">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_231" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_232" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_231" xlink:to="loc_us-gaap_StatementTable_232" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_233" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_232" xlink:to="loc_us-gaap_StatementClassOfStockAxis_233" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_234" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_233" xlink:to="loc_us-gaap_ClassOfStockDomain_234" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConvertiblePreferredStockMember" xlink:label="loc_us-gaap_ConvertiblePreferredStockMember_243" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_234" xlink:to="loc_us-gaap_ConvertiblePreferredStockMember_243" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_235" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_232" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_235" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_238" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_235" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_238" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_237" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_232" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_237" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_241" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_237" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_241" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_240" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_232" xlink:to="loc_us-gaap_AwardTypeAxis_240" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_245" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_240" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_245" use="optional" order="10" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorCustomersAxis" xlink:label="loc_us-gaap_MajorCustomersAxis_244" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_232" xlink:to="loc_us-gaap_MajorCustomersAxis_244" use="optional" order="11" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="loc_us-gaap_NameOfMajorCustomerDomain_249" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorCustomersAxis_244" xlink:to="loc_us-gaap_NameOfMajorCustomerDomain_249" use="optional" order="12" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_248" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_232" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_248" use="optional" order="13" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_255" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_248" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_255" use="optional" order="14" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_254" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_232" xlink:to="loc_us-gaap_RangeAxis_254" use="optional" order="15" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_260" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeAxis_254" xlink:to="loc_us-gaap_RangeMember_260" use="optional" order="16" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_259" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_232" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_259" use="optional" order="17" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_744" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_259" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_744" use="optional" order="18" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_743" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_232" xlink:to="loc_us-gaap_StatementLineItems_743" use="optional" order="19" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_236" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_743" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_236" use="optional" order="20" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_StockOptionSharesOutstanding" xlink:label="loc_lbio_StockOptionSharesOutstanding_645" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_743" xlink:to="loc_lbio_StockOptionSharesOutstanding_645" use="optional" order="21" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfWarrantOrRightOutstanding" xlink:label="loc_us-gaap_ClassOfWarrantOrRightOutstanding_646" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_743" xlink:to="loc_us-gaap_ClassOfWarrantOrRightOutstanding_646" use="optional" order="22" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/CashMoneyMarketFundsAndShorttermInvestmentsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract_275" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_276" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract_275" xlink:to="loc_us-gaap_StatementTable_276" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_277" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_276" xlink:to="loc_us-gaap_StatementClassOfStockAxis_277" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_278" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_277" xlink:to="loc_us-gaap_ClassOfStockDomain_278" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_279" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_276" xlink:to="loc_us-gaap_StatementLineItems_279" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_280" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_279" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_280" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MoneyMarketFundsAtCarryingValue" xlink:label="loc_us-gaap_MoneyMarketFundsAtCarryingValue_281" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_279" xlink:to="loc_us-gaap_MoneyMarketFundsAtCarryingValue_281" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecurities_282" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_279" xlink:to="loc_us-gaap_AvailableForSaleSecurities_282" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestments" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_283" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_279" xlink:to="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_283" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/CashMoneyMarketFundsAndShorttermInvestmentsDetails1">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract_284" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_285" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract_284" xlink:to="loc_us-gaap_StatementTable_285" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_286" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_285" xlink:to="loc_us-gaap_StatementClassOfStockAxis_286" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_287" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_286" xlink:to="loc_us-gaap_ClassOfStockDomain_287" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsAxis" xlink:label="loc_us-gaap_CashAndCashEquivalentsAxis_288" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_285" xlink:to="loc_us-gaap_CashAndCashEquivalentsAxis_288" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_291" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_288" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_291" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="loc_us-gaap_MoneyMarketFundsMember_292" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_291" xlink:to="loc_us-gaap_MoneyMarketFundsMember_292" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_290" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_285" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_290" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_294" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_290" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_294" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_295" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_294" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_295" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_293" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_285" xlink:to="loc_us-gaap_StatementLineItems_293" use="optional" order="10" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TradingSecuritiesCost" xlink:label="loc_us-gaap_TradingSecuritiesCost_289" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_293" xlink:to="loc_us-gaap_TradingSecuritiesCost_289" use="optional" order="11" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TradingSecuritiesUnrealizedHoldingGain" xlink:label="loc_us-gaap_TradingSecuritiesUnrealizedHoldingGain_296" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_293" xlink:to="loc_us-gaap_TradingSecuritiesUnrealizedHoldingGain_296" use="optional" order="12" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TradingSecuritiesUnrealizedHoldingLoss" xlink:label="loc_us-gaap_TradingSecuritiesUnrealizedHoldingLoss_297" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_293" xlink:to="loc_us-gaap_TradingSecuritiesUnrealizedHoldingLoss_297" use="optional" order="13" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InvestmentOwnedAtFairValue" xlink:label="loc_us-gaap_InvestmentOwnedAtFairValue_298" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_293" xlink:to="loc_us-gaap_InvestmentOwnedAtFairValue_298" use="optional" order="14" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/CashMoneyMarketFundsAndShorttermInvestmentsDetails2">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract_301" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_303" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract_301" xlink:to="loc_us-gaap_StatementTable_303" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_304" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_303" xlink:to="loc_us-gaap_StatementClassOfStockAxis_304" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_305" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_304" xlink:to="loc_us-gaap_ClassOfStockDomain_305" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_306" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_303" xlink:to="loc_us-gaap_StatementLineItems_306" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MoneyMarketFundsAtCarryingValue" xlink:label="loc_us-gaap_MoneyMarketFundsAtCarryingValue_307" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_306" xlink:to="loc_us-gaap_MoneyMarketFundsAtCarryingValue_307" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecurities_309" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_306" xlink:to="loc_us-gaap_AvailableForSaleSecurities_309" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashEquivalentsAtCarryingValue_310" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_306" xlink:to="loc_us-gaap_CashEquivalentsAtCarryingValue_310" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/CashMoneyMarketFundsAndShorttermInvestmentsDetailsTextual">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract_340" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_341" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract_340" xlink:to="loc_us-gaap_StatementTable_341" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_342" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_341" xlink:to="loc_us-gaap_StatementClassOfStockAxis_342" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_343" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_342" xlink:to="loc_us-gaap_ClassOfStockDomain_343" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_348" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_341" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_348" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_513" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_348" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_513" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShortTermInvestmentsMember" xlink:label="loc_us-gaap_ShortTermInvestmentsMember_514" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_513" xlink:to="loc_us-gaap_ShortTermInvestmentsMember_514" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorCustomersAxis" xlink:label="loc_us-gaap_MajorCustomersAxis_344" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_341" xlink:to="loc_us-gaap_MajorCustomersAxis_344" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="loc_us-gaap_NameOfMajorCustomerDomain_349" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorCustomersAxis_344" xlink:to="loc_us-gaap_NameOfMajorCustomerDomain_349" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_FiveCompaniesMember" xlink:label="loc_lbio_FiveCompaniesMember_350" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_349" xlink:to="loc_lbio_FiveCompaniesMember_350" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_VariousOtherDomesticIssuersMember" xlink:label="loc_lbio_VariousOtherDomesticIssuersMember_351" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_349" xlink:to="loc_lbio_VariousOtherDomesticIssuersMember_351" use="optional" order="10" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_ForeignIssuerMember" xlink:label="loc_lbio_ForeignIssuerMember_352" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_349" xlink:to="loc_lbio_ForeignIssuerMember_352" use="optional" order="11" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_512" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_341" xlink:to="loc_us-gaap_StatementLineItems_512" use="optional" order="12" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecurities_345" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_512" xlink:to="loc_us-gaap_AvailableForSaleSecurities_345" use="optional" order="13" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MoneyMarketFundsAtCarryingValue" xlink:label="loc_us-gaap_MoneyMarketFundsAtCarryingValue_346" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_512" xlink:to="loc_us-gaap_MoneyMarketFundsAtCarryingValue_346" use="optional" order="14" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_347" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_512" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_347" use="optional" order="15" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_MoneyMarketFundsAndShortTerminvestmentsWeightedAverageTimeToMaturity" xlink:label="loc_lbio_MoneyMarketFundsAndShortTerminvestmentsWeightedAverageTimeToMaturity_589" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_512" xlink:to="loc_lbio_MoneyMarketFundsAndShortTerminvestmentsWeightedAverageTimeToMaturity_589" use="optional" order="16" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/StockholdersEquityDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="loc_us-gaap_StockholdersEquityNoteAbstract_397" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_398" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_397" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_398" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_399" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_398" xlink:to="loc_us-gaap_StatementClassOfStockAxis_399" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_400" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_399" xlink:to="loc_us-gaap_ClassOfStockDomain_400" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems_401" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_398" xlink:to="loc_us-gaap_ClassOfStockLineItems_401" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_402" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_401" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_402" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_403" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_402" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_403" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_515" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_402" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_515" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_753" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_402" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_753" use="optional" order="8" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_405" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_402" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_405" use="optional" order="9" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_406" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_402" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_406" use="optional" order="10" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_407" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_401" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_407" use="optional" order="11" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_408" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_407" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_408" use="optional" order="12" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_516" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_407" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_516" use="optional" order="13" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_409" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_407" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_409" use="optional" order="14" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_410" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_407" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_410" use="optional" order="15" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_411" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_407" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_411" use="optional" order="16" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/CondensedStatementsOfOperations">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_45" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_46" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_45" xlink:to="loc_us-gaap_StatementTable_46" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_47" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_46" xlink:to="loc_us-gaap_StatementClassOfStockAxis_47" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_48" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_47" xlink:to="loc_us-gaap_ClassOfStockDomain_48" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_49" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_46" xlink:to="loc_us-gaap_StatementLineItems_49" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_50" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_49" xlink:to="loc_us-gaap_Revenues_50" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="loc_us-gaap_OperatingExpensesAbstract_511" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_49" xlink:to="loc_us-gaap_OperatingExpensesAbstract_511" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_52" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_511" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_52" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_602" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_511" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_602" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_53" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_511" xlink:to="loc_us-gaap_OperatingExpenses_53" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_54" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_49" xlink:to="loc_us-gaap_OperatingIncomeLoss_54" use="optional" order="10" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract_565" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_49" xlink:to="loc_us-gaap_NonoperatingIncomeExpenseAbstract_565" use="optional" order="11" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_56" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_565" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_56" use="optional" order="12" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_57" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_565" xlink:to="loc_us-gaap_NetIncomeLoss_57" use="optional" order="13" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EarningsPerShareBasicAndDiluted" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDiluted_58" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_49" xlink:to="loc_us-gaap_EarningsPerShareBasicAndDiluted_58" use="optional" order="14" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:label="loc_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_59" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_49" xlink:to="loc_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_59" use="optional" order="15" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/StockholdersEquityDetailsTextual">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="loc_us-gaap_StockholdersEquityNoteAbstract_389" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_390" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract_389" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_390" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_391" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_390" xlink:to="loc_us-gaap_StatementClassOfStockAxis_391" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_392" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_391" xlink:to="loc_us-gaap_ClassOfStockDomain_392" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SeriesBPreferredStockMember" xlink:label="loc_us-gaap_SeriesBPreferredStockMember_833" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_392" xlink:to="loc_us-gaap_SeriesBPreferredStockMember_833" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_394" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_390" xlink:to="loc_us-gaap_AwardTypeAxis_394" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_422" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_394" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_422" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_423" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_422" xlink:to="loc_us-gaap_RestrictedStockMember_423" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TroubledDebtRestructuringDebtorCurrentPeriodAxis" xlink:label="loc_us-gaap_TroubledDebtRestructuringDebtorCurrentPeriodAxis_421" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_390" xlink:to="loc_us-gaap_TroubledDebtRestructuringDebtorCurrentPeriodAxis_421" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TroubledDebtRestructuringDebtorCurrentPeriodCreditorDomain" xlink:label="loc_us-gaap_TroubledDebtRestructuringDebtorCurrentPeriodCreditorDomain_658" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TroubledDebtRestructuringDebtorCurrentPeriodAxis_421" xlink:to="loc_us-gaap_TroubledDebtRestructuringDebtorCurrentPeriodCreditorDomain_658" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_657" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_390" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_657" use="optional" order="10" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_667" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_657" xlink:to="loc_us-gaap_RelatedPartyDomain_667" use="optional" order="11" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis_666" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_390" xlink:to="loc_us-gaap_SubsidiarySaleOfStockAxis_666" use="optional" order="12" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_670" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_666" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_670" use="optional" order="13" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PrivatePlacementMember" xlink:label="loc_us-gaap_PrivatePlacementMember_671" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_670" xlink:to="loc_us-gaap_PrivatePlacementMember_671" use="optional" order="14" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_669" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_390" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_669" use="optional" order="15" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_673" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_669" xlink:to="loc_us-gaap_EquityComponentDomain_673" use="optional" order="16" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConversionOfStockByUniqueDescriptionAxis" xlink:label="loc_us-gaap_ConversionOfStockByUniqueDescriptionAxis_672" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_390" xlink:to="loc_us-gaap_ConversionOfStockByUniqueDescriptionAxis_672" use="optional" order="17" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConversionOfStockNameDomain" xlink:label="loc_us-gaap_ConversionOfStockNameDomain_676" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConversionOfStockByUniqueDescriptionAxis_672" xlink:to="loc_us-gaap_ConversionOfStockNameDomain_676" use="optional" order="18" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TitleOfIndividualAxis" xlink:label="loc_us-gaap_TitleOfIndividualAxis_675" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_390" xlink:to="loc_us-gaap_TitleOfIndividualAxis_675" use="optional" order="19" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_730" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualAxis_675" xlink:to="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_730" use="optional" order="20" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VestingAxis" xlink:label="loc_us-gaap_VestingAxis_729" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_390" xlink:to="loc_us-gaap_VestingAxis_729" use="optional" order="21" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_846" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingAxis_729" xlink:to="loc_us-gaap_VestingDomain_846" use="optional" order="22" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_847" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingDomain_846" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_847" use="optional" order="23" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_848" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingDomain_846" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_848" use="optional" order="24" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheThreeMember" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_849" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingDomain_846" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_849" use="optional" order="25" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems_845" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_390" xlink:to="loc_us-gaap_ClassOfStockLineItems_845" use="optional" order="26" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_395" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_845" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_395" use="optional" order="27" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_416" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_845" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_416" use="optional" order="28" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_750" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_845" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_750" use="optional" order="29" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_CancellationOfVestedShares" xlink:label="loc_lbio_CancellationOfVestedShares_654" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_845" xlink:to="loc_lbio_CancellationOfVestedShares_654" use="optional" order="30" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_662" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_845" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_662" use="optional" order="31" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_663" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_845" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_663" use="optional" order="32" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_ConvertiblePricePerShares" xlink:label="loc_lbio_ConvertiblePricePerShares_664" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_845" xlink:to="loc_lbio_ConvertiblePricePerShares_664" use="optional" order="33" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_PreferredStockConvertibleConversionPrice" xlink:label="loc_lbio_PreferredStockConvertibleConversionPrice_828" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_845" xlink:to="loc_lbio_PreferredStockConvertibleConversionPrice_828" use="optional" order="34" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromIssuanceOfPrivatePlacement" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfPrivatePlacement_830" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_845" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfPrivatePlacement_830" use="optional" order="35" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromIssuanceOrSaleOfEquity" xlink:label="loc_us-gaap_ProceedsFromIssuanceOrSaleOfEquity_843" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_845" xlink:to="loc_us-gaap_ProceedsFromIssuanceOrSaleOfEquity_843" use="optional" order="36" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_844" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_845" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_844" use="optional" order="37" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_SockIssuedDuringPeriodPreferredStockShares" xlink:label="loc_lbio_SockIssuedDuringPeriodPreferredStockShares_871" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_845" xlink:to="loc_lbio_SockIssuedDuringPeriodPreferredStockShares_871" use="optional" order="38" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SharesIssuedPricePerShare" xlink:label="loc_us-gaap_SharesIssuedPricePerShare_872" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_845" xlink:to="loc_us-gaap_SharesIssuedPricePerShare_872" use="optional" order="39" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/StockOptionsAndWarrantsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_432" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_433" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_432" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_433" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_434" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_433" xlink:to="loc_us-gaap_StatementClassOfStockAxis_434" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_507" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_434" xlink:to="loc_us-gaap_ClassOfStockDomain_507" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OptionIndexedToIssuersEquityTypeAxis" xlink:label="loc_us-gaap_OptionIndexedToIssuersEquityTypeAxis_506" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_433" xlink:to="loc_us-gaap_OptionIndexedToIssuersEquityTypeAxis_506" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OptionIndexedToIssuersEquityTypeDomain" xlink:label="loc_us-gaap_OptionIndexedToIssuersEquityTypeDomain_519" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OptionIndexedToIssuersEquityTypeAxis_506" xlink:to="loc_us-gaap_OptionIndexedToIssuersEquityTypeDomain_519" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="loc_us-gaap_EmployeeStockOptionMember_520" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OptionIndexedToIssuersEquityTypeDomain_519" xlink:to="loc_us-gaap_EmployeeStockOptionMember_520" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_518" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_433" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_518" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_435" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_518" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_435" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_436" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_435" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_436" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_437" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_435" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_437" use="optional" order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_438" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_435" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_438" use="optional" order="11" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_439" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_435" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_439" use="optional" order="12" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_440" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_435" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_440" use="optional" order="13" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_441" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_435" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_441" use="optional" order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_442" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_518" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_442" use="optional" order="15" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_443" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_442" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_443" use="optional" order="16" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_444" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_442" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_444" use="optional" order="17" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_679" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_442" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_679" use="optional" order="18" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_445" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_442" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_445" use="optional" order="19" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_446" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_442" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_446" use="optional" order="20" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_447" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_442" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_447" use="optional" order="21" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_SharebasedcompensationarrangementbysharebasedpaymentawardoptionsadditionaldisclosuresAbstract" xlink:label="loc_lbio_SharebasedcompensationarrangementbysharebasedpaymentawardoptionsadditionaldisclosuresAbstract_448" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_518" xlink:to="loc_lbio_SharebasedcompensationarrangementbysharebasedpaymentawardoptionsadditionaldisclosuresAbstract_448" use="optional" order="22" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_449" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lbio_SharebasedcompensationarrangementbysharebasedpaymentawardoptionsadditionaldisclosuresAbstract_448" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_449" use="optional" order="23" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodWeightedAverageRemainingContractualTerm" xlink:label="loc_lbio_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodWeightedAverageRemainingContractualTerm_450" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lbio_SharebasedcompensationarrangementbysharebasedpaymentawardoptionsadditionaldisclosuresAbstract_448" xlink:to="loc_lbio_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodWeightedAverageRemainingContractualTerm_450" use="optional" order="24" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageRemainingContractualTerm" xlink:label="loc_lbio_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageRemainingContractualTerm_451" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lbio_SharebasedcompensationarrangementbysharebasedpaymentawardoptionsadditionaldisclosuresAbstract_448" xlink:to="loc_lbio_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageRemainingContractualTerm_451" use="optional" order="25" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_452" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lbio_SharebasedcompensationarrangementbysharebasedpaymentawardoptionsadditionaldisclosuresAbstract_448" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_452" use="optional" order="26" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_AggregateintrinsicvalueAbstract" xlink:label="loc_lbio_AggregateintrinsicvalueAbstract_453" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_518" xlink:to="loc_lbio_AggregateintrinsicvalueAbstract_453" use="optional" order="27" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_454" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lbio_AggregateintrinsicvalueAbstract_453" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_454" use="optional" order="28" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodIntrinsicValue" xlink:label="loc_lbio_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodIntrinsicValue_874" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lbio_AggregateintrinsicvalueAbstract_453" xlink:to="loc_lbio_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodIntrinsicValue_874" use="optional" order="29" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationsAndForfeituresInPeriodIntrinsicValue" xlink:label="loc_lbio_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationsAndForfeituresInPeriodIntrinsicValue_455" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lbio_AggregateintrinsicvalueAbstract_453" xlink:to="loc_lbio_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationsAndForfeituresInPeriodIntrinsicValue_455" use="optional" order="30" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_456" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lbio_AggregateintrinsicvalueAbstract_453" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_456" use="optional" order="31" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_457" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lbio_AggregateintrinsicvalueAbstract_453" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_457" use="optional" order="32" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/StockOptionsAndWarrantsDetailsTextual">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_478" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_479" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_478" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_479" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis_480" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_479" xlink:to="loc_us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis_480" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain" xlink:label="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_491" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis_480" xlink:to="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_491" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="loc_us-gaap_EmployeeStockOptionMember_492" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_491" xlink:to="loc_us-gaap_EmployeeStockOptionMember_492" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_490" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_479" xlink:to="loc_us-gaap_PlanNameAxis_490" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_494" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameAxis_490" xlink:to="loc_us-gaap_PlanNameDomain_494" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_493" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_479" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_493" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_500" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_493" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_500" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WarrantMember" xlink:label="loc_us-gaap_WarrantMember_501" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_500" xlink:to="loc_us-gaap_WarrantMember_501" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_499" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_479" xlink:to="loc_us-gaap_RangeAxis_499" use="optional" order="10" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_503" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeAxis_499" xlink:to="loc_us-gaap_RangeMember_503" use="optional" order="11" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_SharesIssuedPlanAxis" xlink:label="loc_lbio_SharesIssuedPlanAxis_502" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_479" xlink:to="loc_lbio_SharesIssuedPlanAxis_502" use="optional" order="12" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_SharesIssuedPlanDomain" xlink:label="loc_lbio_SharesIssuedPlanDomain_735" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_lbio_SharesIssuedPlanAxis_502" xlink:to="loc_lbio_SharesIssuedPlanDomain_735" use="optional" order="13" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_734" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_479" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_734" use="optional" order="14" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_482" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_734" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_482" use="optional" order="15" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_483" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_734" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_483" use="optional" order="16" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_484" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_734" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_484" use="optional" order="17" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_485" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_734" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_485" use="optional" order="18" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_486" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_734" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_486" use="optional" order="19" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_487" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_734" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_487" use="optional" order="20" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromWarrantExercises" xlink:label="loc_us-gaap_ProceedsFromWarrantExercises_497" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_734" xlink:to="loc_us-gaap_ProceedsFromWarrantExercises_497" use="optional" order="21" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_498" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_734" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_498" use="optional" order="22" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_682" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_734" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_682" use="optional" order="23" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/LicensesAndCommitmentsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_325" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_326" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_325" xlink:to="loc_us-gaap_StatementTable_326" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_327" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_326" xlink:to="loc_us-gaap_StatementClassOfStockAxis_327" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_328" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_327" xlink:to="loc_us-gaap_ClassOfStockDomain_328" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_329" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_326" xlink:to="loc_us-gaap_StatementLineItems_329" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_593" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_329" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_593" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_796" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_329" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_796" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_594" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_329" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_594" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_595" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_329" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_595" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_596" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_329" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_596" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_877" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_329" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_877" use="optional" order="10" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_597" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_329" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_597" use="optional" order="11" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/LicensesAndCommitmentsDetailsTextual">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_334" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherCommitmentsTable" xlink:label="loc_us-gaap_OtherCommitmentsTable_335" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_334" xlink:to="loc_us-gaap_OtherCommitmentsTable_335" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_336" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsTable_335" xlink:to="loc_us-gaap_StatementClassOfStockAxis_336" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_337" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_336" xlink:to="loc_us-gaap_ClassOfStockDomain_337" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LeaseArrangementTypeAxis" xlink:label="loc_us-gaap_LeaseArrangementTypeAxis_338" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsTable_335" xlink:to="loc_us-gaap_LeaseArrangementTypeAxis_338" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LeaseArrangementTypeDomain" xlink:label="loc_us-gaap_LeaseArrangementTypeDomain_712" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeaseArrangementTypeAxis_338" xlink:to="loc_us-gaap_LeaseArrangementTypeDomain_712" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_TampaLeaseMember" xlink:label="loc_lbio_TampaLeaseMember_713" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeaseArrangementTypeDomain_712" xlink:to="loc_lbio_TampaLeaseMember_713" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_711" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsTable_335" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_711" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_716" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_711" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_716" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LicensingAgreementsMember" xlink:label="loc_us-gaap_LicensingAgreementsMember_717" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_716" xlink:to="loc_us-gaap_LicensingAgreementsMember_717" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_715" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsTable_335" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_715" use="optional" order="10" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_881" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_715" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_881" use="optional" order="11" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_882" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_881" xlink:to="loc_us-gaap_SubsequentEventMember_882" use="optional" order="12" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherCommitmentsLineItems" xlink:label="loc_us-gaap_OtherCommitmentsLineItems_880" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsTable_335" xlink:to="loc_us-gaap_OtherCommitmentsLineItems_880" use="optional" order="13" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LicenseCosts" xlink:label="loc_us-gaap_LicenseCosts_339" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_880" xlink:to="loc_us-gaap_LicenseCosts_339" use="optional" order="14" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AreaOfLand" xlink:label="loc_us-gaap_AreaOfLand_708" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_880" xlink:to="loc_us-gaap_AreaOfLand_708" use="optional" order="15" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="loc_us-gaap_LeaseAndRentalExpense_709" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_880" xlink:to="loc_us-gaap_LeaseAndRentalExpense_709" use="optional" order="16" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_PercentageOfIncreaseInLeaseRent" xlink:label="loc_lbio_PercentageOfIncreaseInLeaseRent_710" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_880" xlink:to="loc_lbio_PercentageOfIncreaseInLeaseRent_710" use="optional" order="17" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ContractualObligationDueInNextTwelveMonths" xlink:label="loc_us-gaap_ContractualObligationDueInNextTwelveMonths_714" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_880" xlink:to="loc_us-gaap_ContractualObligationDueInNextTwelveMonths_714" use="optional" order="18" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_LeaseExpirationTerm" xlink:label="loc_lbio_LeaseExpirationTerm_878" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_880" xlink:to="loc_lbio_LeaseExpirationTerm_878" use="optional" order="19" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_879" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_880" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_879" use="optional" order="20" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/LegalProceedingsDetailsTextual">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LossContingencyAbstract" xlink:label="loc_us-gaap_LossContingencyAbstract_311" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_312" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingencyAbstract_311" xlink:to="loc_us-gaap_StatementTable_312" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_313" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_312" xlink:to="loc_us-gaap_StatementClassOfStockAxis_313" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_314" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_313" xlink:to="loc_us-gaap_ClassOfStockDomain_314" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_315" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_312" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_315" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_772" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_315" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_772" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_771" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_312" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_771" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_786" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_771" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_786" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommercialPaperMember" xlink:label="loc_us-gaap_CommercialPaperMember_787" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_786" xlink:to="loc_us-gaap_CommercialPaperMember_787" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_785" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_312" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_785" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_789" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_785" xlink:to="loc_us-gaap_RelatedPartyDomain_789" use="optional" order="10" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_SolomonCapitalLlcMember" xlink:label="loc_lbio_SolomonCapitalLlcMember_790" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_789" xlink:to="loc_lbio_SolomonCapitalLlcMember_790" use="optional" order="11" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_788" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_312" xlink:to="loc_us-gaap_RangeAxis_788" use="optional" order="12" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_853" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeAxis_788" xlink:to="loc_us-gaap_RangeMember_853" use="optional" order="13" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_854" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_853" xlink:to="loc_us-gaap_MinimumMember_854" use="optional" order="14" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_852" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_312" xlink:to="loc_us-gaap_StatementLineItems_852" use="optional" order="15" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LossContingencyDamagesSoughtValue" xlink:label="loc_us-gaap_LossContingencyDamagesSoughtValue_317" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_852" xlink:to="loc_us-gaap_LossContingencyDamagesSoughtValue_317" use="optional" order="16" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromRelatedPartyDebt" xlink:label="loc_us-gaap_ProceedsFromRelatedPartyDebt_791" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_852" xlink:to="loc_us-gaap_ProceedsFromRelatedPartyDebt_791" use="optional" order="17" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LossContingencyEstimateOfPossibleLoss" xlink:label="loc_us-gaap_LossContingencyEstimateOfPossibleLoss_792" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_852" xlink:to="loc_us-gaap_LossContingencyEstimateOfPossibleLoss_792" use="optional" order="18" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments" xlink:label="loc_us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments_793" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_852" xlink:to="loc_us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments_793" use="optional" order="19" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_794" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_852" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_794" use="optional" order="20" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/ContinengiesDetailsTextual">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LossContingencyAbstract" xlink:label="loc_us-gaap_LossContingencyAbstract_856" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="loc_us-gaap_LossContingenciesTable_857" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingencyAbstract_856" xlink:to="loc_us-gaap_LossContingenciesTable_857" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_858" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_857" xlink:to="loc_us-gaap_StatementClassOfStockAxis_858" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_869" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_858" xlink:to="loc_us-gaap_ClassOfStockDomain_869" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_868" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_857" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_868" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_884" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_868" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_884" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WarrantMember" xlink:label="loc_us-gaap_WarrantMember_885" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_884" xlink:to="loc_us-gaap_WarrantMember_885" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="loc_us-gaap_LossContingenciesLineItems_883" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_857" xlink:to="loc_us-gaap_LossContingenciesLineItems_883" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_859" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_883" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_859" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_SharesSoldUnderIneffectiveRegistration" xlink:label="loc_lbio_SharesSoldUnderIneffectiveRegistration_860" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_883" xlink:to="loc_lbio_SharesSoldUnderIneffectiveRegistration_860" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/CondensedStatementsOfComprehensiveLoss">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_61" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_62" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_61" xlink:to="loc_us-gaap_StatementTable_62" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_63" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_62" xlink:to="loc_us-gaap_StatementClassOfStockAxis_63" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_64" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_63" xlink:to="loc_us-gaap_ClassOfStockDomain_64" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_65" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_62" xlink:to="loc_us-gaap_StatementLineItems_65" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_66" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_65" xlink:to="loc_us-gaap_NetIncomeLoss_66" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_67" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_65" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_67" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_68" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_67" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_68" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_69" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_67" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_69" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/StatementOfStockholdersEquity">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_71" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_72" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_71" xlink:to="loc_us-gaap_StatementTable_72" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_73" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_72" xlink:to="loc_us-gaap_StatementClassOfStockAxis_73" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_74" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_73" xlink:to="loc_us-gaap_ClassOfStockDomain_74" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SeriesAPreferredStockMember" xlink:label="loc_us-gaap_SeriesAPreferredStockMember_823" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_74" xlink:to="loc_us-gaap_SeriesAPreferredStockMember_823" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SeriesBPreferredStockMember" xlink:label="loc_us-gaap_SeriesBPreferredStockMember_824" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_74" xlink:to="loc_us-gaap_SeriesBPreferredStockMember_824" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_109" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_72" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_109" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_110" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_109" xlink:to="loc_us-gaap_EquityComponentDomain_110" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_111" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_110" xlink:to="loc_us-gaap_CommonStockMember_111" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_CommonStockToBeIssuedMember" xlink:label="loc_lbio_CommonStockToBeIssuedMember_116" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_110" xlink:to="loc_lbio_CommonStockToBeIssuedMember_116" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_113" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_110" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_113" use="optional" order="10" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_114" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_110" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_114" use="optional" order="11" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_115" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_110" xlink:to="loc_us-gaap_RetainedEarningsMember_115" use="optional" order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_75" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_72" xlink:to="loc_us-gaap_StatementLineItems_75" use="optional" order="13" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_76" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_75" xlink:to="loc_us-gaap_StockholdersEquity_76" use="optional" order="14" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SharesOutstanding" xlink:label="loc_us-gaap_SharesOutstanding_117" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_75" xlink:to="loc_us-gaap_SharesOutstanding_117" use="optional" order="15" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalMarkToMarket" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalMarkToMarket_118" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_75" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalMarkToMarket_118" use="optional" order="16" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition_777" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_75" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition_777" use="optional" order="17" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet" xlink:label="loc_us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet_825" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_75" xlink:to="loc_us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet_825" use="optional" order="18" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_CommonStockIssuedUponExerciseOfWarrantsAmount" xlink:label="loc_lbio_CommonStockIssuedUponExerciseOfWarrantsAmount_119" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_75" xlink:to="loc_lbio_CommonStockIssuedUponExerciseOfWarrantsAmount_119" use="optional" order="19" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_CommonStockIssuedUponExerciseOfWarrantsShares" xlink:label="loc_lbio_CommonStockIssuedUponExerciseOfWarrantsShares_120" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_75" xlink:to="loc_lbio_CommonStockIssuedUponExerciseOfWarrantsShares_120" use="optional" order="20" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_121" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_75" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_121" use="optional" order="21" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_122" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_75" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_122" use="optional" order="22" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueOther" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueOther_125" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_75" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueOther_125" use="optional" order="23" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesOther" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesOther_126" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_75" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesOther_126" use="optional" order="24" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_Preferredstocksoldinprivateplacementvalue" xlink:label="loc_lbio_Preferredstocksoldinprivateplacementvalue_626" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_75" xlink:to="loc_lbio_Preferredstocksoldinprivateplacementvalue_626" use="optional" order="25" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_PreferredStockSoldInPrivatePlacementShares" xlink:label="loc_lbio_PreferredStockSoldInPrivatePlacementShares_627" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_75" xlink:to="loc_lbio_PreferredStockSoldInPrivatePlacementShares_627" use="optional" order="26" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_StockCancelledDuringPeriodRestrictedSharesValue" xlink:label="loc_lbio_StockCancelledDuringPeriodRestrictedSharesValue_783" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_75" xlink:to="loc_lbio_StockCancelledDuringPeriodRestrictedSharesValue_783" use="optional" order="27" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="lbio-20160630.xsd#lbio_StockCancelledDuringPeriodRestrictedShares" xlink:label="loc_lbio_StockCancelledDuringPeriodRestrictedShares_782" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_75" xlink:to="loc_lbio_StockCancelledDuringPeriodRestrictedShares_782" use="optional" order="28" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_128" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_75" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_128" use="optional" order="29" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_129" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_75" xlink:to="loc_us-gaap_NetIncomeLoss_129" use="optional" order="30" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_130" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_75" xlink:to="loc_us-gaap_StockholdersEquity_130" use="optional" order="31" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SharesOutstanding" xlink:label="loc_us-gaap_SharesOutstanding_131" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_75" xlink:to="loc_us-gaap_SharesOutstanding_131" use="optional" order="32" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
  </presentationLink>

  <presentationLink xlink:type="extended" xlink:role="http://lbio.com/role/StatementsOfCashFlows">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_78" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_79" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_78" xlink:to="loc_us-gaap_StatementTable_79" use="optional" order="1" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_80" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_79" xlink:to="loc_us-gaap_StatementClassOfStockAxis_80" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_81" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_80" xlink:to="loc_us-gaap_ClassOfStockDomain_81" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_82" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_79" xlink:to="loc_us-gaap_StatementLineItems_82" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/label" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_83" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_82" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_83" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_84" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_83" xlink:to="loc_us-gaap_NetIncomeLoss_84" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_85" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_83" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_85" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_86" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_85" xlink:to="loc_us-gaap_DepreciationAndAmortization_86" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockOptionPlanExpense" xlink:label="loc_us-gaap_StockOptionPlanExpense_87" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_85" xlink:to="loc_us-gaap_StockOptionPlanExpense_87" use="optional" order="9" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:label="loc_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_581" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_85" xlink:to="loc_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_581" use="optional" order="10" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_89" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_83" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_89" use="optional" order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_90" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_89" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_90" use="optional" order="12" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities_91" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_89" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities_91" use="optional" order="13" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_92" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_83" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_92" use="optional" order="14" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_93" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_82" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_93" use="optional" order="15" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsForProceedsFromShortTermInvestments" xlink:label="loc_us-gaap_PaymentsForProceedsFromShortTermInvestments_784" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_93" xlink:to="loc_us-gaap_PaymentsForProceedsFromShortTermInvestments_784" use="optional" order="16" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecurities" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_95" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_93" xlink:to="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_95" use="optional" order="17" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_96" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_93" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_96" use="optional" order="18" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_97" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_93" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_97" use="optional" order="19" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_98" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_93" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_98" use="optional" order="20" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_99" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_82" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_99" use="optional" order="21" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_834" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_99" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_834" use="optional" order="22" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromWarrantExercises" xlink:label="loc_us-gaap_ProceedsFromWarrantExercises_100" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_99" xlink:to="loc_us-gaap_ProceedsFromWarrantExercises_100" use="optional" order="23" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_101" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_99" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_101" use="optional" order="24" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromIssuanceOrSaleOfEquity" xlink:label="loc_us-gaap_ProceedsFromIssuanceOrSaleOfEquity_835" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_99" xlink:to="loc_us-gaap_ProceedsFromIssuanceOrSaleOfEquity_835" use="optional" order="25" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_103" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_99" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_103" use="optional" order="26" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_104" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_82" xlink:to="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_104" use="optional" order="27" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_105" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_82" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_105" use="optional" order="28" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_106" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_82" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_106" use="optional" order="29" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_875" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_82" xlink:to="loc_us-gaap_InterestPaid_875" use="optional" order="30" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_876" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_82" xlink:to="loc_us-gaap_IncomeTaxesPaidNet_876" use="optional" order="31" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_107" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_82" xlink:to="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_107" use="optional" order="32" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />

    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherSignificantNoncashTransactionValueOfConsiderationReceived1" xlink:label="loc_us-gaap_OtherSignificantNoncashTransactionValueOfConsiderationReceived1_108" />

    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_107" xlink:to="loc_us-gaap_OtherSignificantNoncashTransactionValueOfConsiderationReceived1_108" use="optional" order="33" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>
</linkbase>

