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  <xsd:element name="OfficerAndDirectorWarrantsMember" id="obio_OfficerAndDirectorWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AttheMarketOffering2024Member" id="obio_AttheMarketOffering2024Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CommonStockCapitalReservedForFutureIssuance" id="obio_CommonStockCapitalReservedForFutureIssuance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SalesAgreementMember" id="obio_SalesAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ClassOfWarrantOrRightNumberOfWarrantsIssued" id="obio_ClassOfWarrantOrRightNumberOfWarrantsIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="TwoThousandTwentyFourLoanAndSecurityAgreementMember" id="obio_TwoThousandTwentyFourLoanAndSecurityAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TwoThousandTwentyFourLoanAndSecurityAgreementTrancheOneMember" id="obio_TwoThousandTwentyFourLoanAndSecurityAgreementTrancheOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DebtInstrumentPrepaymentChargePercentage" id="obio_DebtInstrumentPrepaymentChargePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="DebtInstrumentFacilityChargePercentage" id="obio_DebtInstrumentFacilityChargePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="DebtInstrumentMultiplierFactorUsedToCalculateCommonStock" id="obio_DebtInstrumentMultiplierFactorUsedToCalculateCommonStock" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="EquityClassifiedHerculesWarrantsMember" id="obio_EquityClassifiedHerculesWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SingleReportableSegmentMember" id="obio_SingleReportableSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NonClinicalDevelopmentCostsMember" id="obio_NonClinicalDevelopmentCostsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ClinicalDevelopmentCostsMember" id="obio_ClinicalDevelopmentCostsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DevelopmentExpenses" id="obio_DevelopmentExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="NumberOfMonthlyPrincipalPlusInterestPayments" id="obio_NumberOfMonthlyPrincipalPlusInterestPayments" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DebtInstrumentPrepaymentPremium" id="obio_DebtInstrumentPrepaymentPremium" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IfPrepaymentOccursWithin12MonthsOfAgreementClosingDateMember" id="obio_IfPrepaymentOccursWithin12MonthsOfAgreementClosingDateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IfPrepaymentOccursAfter12MonthsAndWithin24MonthsOfAgreementClosingDateMember" id="obio_IfPrepaymentOccursAfter12MonthsAndWithin24MonthsOfAgreementClosingDateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IfPrepaymentOccursAfter24MonthsOfAgreementClosingDateMember" id="obio_IfPrepaymentOccursAfter24MonthsOfAgreementClosingDateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EquityClassifiedNonEmployeesWarrantsMember" id="obio_EquityClassifiedNonEmployeesWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ClassOfWarrantOrRightExercisable" id="obio_ClassOfWarrantOrRightExercisable" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightVestingPeriod" id="obio_ClassOfWarrantOrRightVestingPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PrefundedWarrantsMember" id="obio_PrefundedWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SaleOfStockMaximumAdditionalSharesIssuableUponExerciseOfOption" id="obio_SaleOfStockMaximumAdditionalSharesIssuableUponExerciseOfOption" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="RevenueParticipationRightPurchaseAndSaleAgreementMember" id="obio_RevenueParticipationRightPurchaseAndSaleAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LigandStockPurchaseAgreementMember" id="obio_LigandStockPurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LigandPharmaceuticalsIncorporatedMember" id="obio_LigandPharmaceuticalsIncorporatedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AvimTherapyAndVirtueSabProductsMember" id="obio_AvimTherapyAndVirtueSabProductsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TrancheOnePaymentMember" id="obio_TrancheOnePaymentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TrancheTwoPaymentMember" id="obio_TrancheTwoPaymentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LigandWarrantsMember" id="obio_LigandWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ConsiderationReceivableFromSaleOfFutureRevenuesInterests" id="obio_ConsiderationReceivableFromSaleOfFutureRevenuesInterests" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="RevenueSharingPercentageApplicablePurchaserRevenueInterestRate" id="obio_RevenueSharingPercentageApplicablePurchaserRevenueInterestRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfTranches" id="obio_NumberOfTranches" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ConvertibleLoanAgreementMember" id="obio_ConvertibleLoanAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MedtronicMember" id="obio_MedtronicMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SecuredSubordinatedConvertiblePromissoryNoteMember" id="obio_SecuredSubordinatedConvertiblePromissoryNoteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FdaApprovalOfMedtronicAvimDevicePriorToRepaymentDateMember" id="obio_FdaApprovalOfMedtronicAvimDevicePriorToRepaymentDateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DebtExtinguishmentPercentageOfRevenueShareAmount" id="obio_DebtExtinguishmentPercentageOfRevenueShareAmount" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DebtExtinguishmentRevenueShareAmount" id="obio_DebtExtinguishmentRevenueShareAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DebtInstrumentAdditionalDefaultInterestRate" id="obio_DebtInstrumentAdditionalDefaultInterestRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DebtInstrumentCashCoveragePercentage" id="obio_DebtInstrumentCashCoveragePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="AnnualNetSalesLessThanOrEqualTo100MillionMember" id="obio_AnnualNetSalesLessThanOrEqualTo100MillionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AnnualNetSalesGreaterThanOrEqualTo100MillionMember" id="obio_AnnualNetSalesGreaterThanOrEqualTo100MillionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RevenueInterestPurchaseAgreementLiability" id="obio_RevenueInterestPurchaseAgreementLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="NonCashInterestExpenseOnLiabilityRelatedToRevenueInterestPurchaseAgreement" id="obio_NonCashInterestExpenseOnLiabilityRelatedToRevenueInterestPurchaseAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ProceedsFromRevenueInterestPurchaseAgreement" id="obio_ProceedsFromRevenueInterestPurchaseAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PropertyPlantAndEquipmentNotPlacedInService" id="obio_PropertyPlantAndEquipmentNotPlacedInService" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="WarrantsOrRightsOutstandingIssuePrice" id="obio_WarrantsOrRightsOutstandingIssuePrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightNominalExercisePriceOfWarrantsOrRights" id="obio_ClassOfWarrantOrRightNominalExercisePriceOfWarrantsOrRights" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RevenueInterestPurchaseAgreementAbstract" id="obio_RevenueInterestPurchaseAgreementAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RevenueInterestPurchaseAgreementTextBlock" id="obio_RevenueInterestPurchaseAgreementTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ScheduleOfActivityOfRevenueInterestPurchaseAgreementLiabilityTableTextBlock" id="obio_ScheduleOfActivityOfRevenueInterestPurchaseAgreementLiabilityTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RevenuePaymentInitialPrepaymentRate" id="obio_RevenuePaymentInitialPrepaymentRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RevenueRepaymentThresholdAmountMonetaryDurationDebit" id="obio_RevenueRepaymentThresholdAmountMonetaryDurationDebit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="RevenuePaymentPrepaymentRatePostThresholdAmount" id="obio_RevenuePaymentPrepaymentRatePostThresholdAmount" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RevenueInterestPurchaseAgreementsDetailsTable" id="obio_RevenueInterestPurchaseAgreementsDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RevenueInterestPurchaseAgreementsDetailsLineItems" id="obio_RevenueInterestPurchaseAgreementsDetailsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MedtronicIncMember" id="obio_MedtronicIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EntitiesAssociatedWithRtwInvestmentsLpMember" id="obio_EntitiesAssociatedWithRtwInvestmentsLpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PerceptiveLifeSciencesMasterFundLtdMember" id="obio_PerceptiveLifeSciencesMasterFundLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TerumoSecuritiesPurchaseAgreementMember" id="obio_TerumoSecuritiesPurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NewHireInducementPlanMember" id="obio_NewHireInducementPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployees" id="obio_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployees" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ConsiderationReceivableEquitySecuritiesWithoutReadilyDeterminableFairValue" id="obio_ConsiderationReceivableEquitySecuritiesWithoutReadilyDeterminableFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="InitialUpfrontPaymentSaleOfEquitySecuritiesWithoutReadilyDeterminableFairValue" id="obio_InitialUpfrontPaymentSaleOfEquitySecuritiesWithoutReadilyDeterminableFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="CommonStockReservedForFutureIssuance" id="obio_CommonStockReservedForFutureIssuance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="TemporaryEquityStockIssuedDuringPeriodSharesNewIssues" id="obio_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="TemporaryEquityIssuedPricePerShare" id="obio_TemporaryEquityIssuedPricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="ProceedsFromIssuanceOfConvertiblePreferredStockGross" id="obio_ProceedsFromIssuanceOfConvertiblePreferredStockGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DarrenShermanMember" id="obio_DarrenShermanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AndrewTaylorMember" id="obio_AndrewTaylorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AvimTherapyProductsMember" id="obio_AvimTherapyProductsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="VirtueSabProductsMember" id="obio_VirtueSabProductsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ClassOfWarrantOrRightForfeited" id="obio_ClassOfWarrantOrRightForfeited" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfSpecifiedEmployeesAndDirectorsWarrantsIssued" id="obio_NumberOfSpecifiedEmployeesAndDirectorsWarrantsIssued" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RoyaltyRateOnFundedAmount" id="obio_RoyaltyRateOnFundedAmount" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RoyaltyRateApplicableUntilSecondInstallmentIsPaidMember" id="obio_RoyaltyRateApplicableUntilSecondInstallmentIsPaidMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ScheduleOfReconciliationOfEmbeddedDerivativeLiabilitiesAtFairValueTableTextBlock" id="obio_ScheduleOfReconciliationOfEmbeddedDerivativeLiabilitiesAtFairValueTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="FairValueMeasurementInputsAndValuationTechniquesForDerivativeComponentsTableTextBlock" id="obio_FairValueMeasurementInputsAndValuationTechniquesForDerivativeComponentsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IncreaseDecreaseInEmbeddedDerivativeLiabilityRollForward" id="obio_IncreaseDecreaseInEmbeddedDerivativeLiabilityRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IncreaseDecreaseInAdjustmentToCarryingValueOfSeriesPreferredStock" id="obio_IncreaseDecreaseInAdjustmentToCarryingValueOfSeriesPreferredStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="TemporaryEquityAdjustmentToCarryingValueOfSeriesPreferredStock" id="obio_TemporaryEquityAdjustmentToCarryingValueOfSeriesPreferredStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="RevenueInterestPurchaseAgreementLiabilityInterestAdditions" id="obio_RevenueInterestPurchaseAgreementLiabilityInterestAdditions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="TwoThousandTwentyFourLoanAndSecurityAgreementTrancheTwoMember" id="obio_TwoThousandTwentyFourLoanAndSecurityAgreementTrancheTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
</xsd:schema>
