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        <IssuePrice>5000000</IssuePrice>
        <DescriptionOfPurpose>FINANCE CONSTRUCTION</DescriptionOfPurpose>
        <Defeased>0</Defeased>
        <OnBehalfOfIssuer>0</OnBehalfOfIssuer>
        <PoolFinancing>0</PoolFinancing>
      </Form990ScheduleKPartI>
      <Form990ScheduleKPartII>
        <BondReferenceCd>A</BondReferenceCd>
        <AmountRetired>95000</AmountRetired>
        <YearOfSubstCompletion>2008</YearOfSubstCompletion>
        <CurrentRefunding>0</CurrentRefunding>
        <AdvanceRefunding>0</AdvanceRefunding>
        <FinalAllocationMade>1</FinalAllocationMade>
        <AdequateBooksAndRecdsMaintaind>1</AdequateBooksAndRecdsMaintaind>
      </Form990ScheduleKPartII>
      <Form990ScheduleKPartIII>
        <BondReferenceCd>A</BondReferenceCd>
        <OwningBondFinancedProperty>0</OwningBondFinancedProperty>
        <AnyLeaseArrangements>0</AnyLeaseArrangements>
        <MngmentCntrctBondFinancdPrprty>0</MngmentCntrctBondFinancdPrprty>
        <AnyResearchAgreements>0</AnyResearchAgreements>
        <BondIssMeetPrvtSecurityPayTest>0</BondIssMeetPrvtSecurityPayTest>
        <ChangeInUseBondFinancedProp>0</ChangeInUseBondFinancedProp>
        <NonQualifiedBondRemedProcdrs>0</NonQualifiedBondRemedProcdrs>
      </Form990ScheduleKPartIII>
      <Form990ScheduleKPartIV>
        <BondReferenceCd>A</BondReferenceCd>
        <Form8038TFiled>0</Form8038TFiled>
        <RebateNotDueYet>0</RebateNotDueYet>
        <ExceptionToRebate>0</ExceptionToRebate>
        <NoRebateDue>1</NoRebateDue>
        <VariableRateIssue>1</VariableRateIssue>
        <HedgeIdentifiedInBooksAndRecds>0</HedgeIdentifiedInBooksAndRecds>
        <GrossProceedsInvestedInGIC>0</GrossProceedsInvestedInGIC>
        <GrossProceedsInvested>0</GrossProceedsInvested>
        <WrittenProcToMonitorReqs>0</WrittenProcToMonitorReqs>
      </Form990ScheduleKPartIV>
      <Form990ScheduleKPartVI>
        <Identifier>SCHEDULE K SUPPLENTAL INFORMATION</Identifier>
        <Explanation>THE REBATE COMPUTATION WAS PERFORMED BY THE BANK OF NEW YORK MELLON TRUST COMPANY ON JANUARY 14, 2013.</Explanation>
      </Form990ScheduleKPartVI>
    </IRS990ScheduleK>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>JOHN FORREST</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>FORMER EXECUTIVE DIRECTOR</Relationship>
        <AmountOfTransaction>14709</AmountOfTransaction>
        <DescriptionOfTransaction>LAB SPACE -THE ORGANIZATION PROVIDED LAB AND OFFICE SPACE @ NO CHARGE.</DescriptionOfTransaction>
        <SharingOfRevenues>0</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>DR BRUCE ASTANTON</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>TRUSTEE</Relationship>
        <AmountOfTransaction>13449</AmountOfTransaction>
        <DescriptionOfTransaction>RENTAL - RENTAL OF OFFICE,COTTTAGE &amp; LAB SPACE FROM ORGANIZATION AT FAIR MARKET VALUE</DescriptionOfTransaction>
        <SharingOfRevenues>0</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>DR JAMES L BOYER</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>TRUSTEE</Relationship>
        <AmountOfTransaction>11161</AmountOfTransaction>
        <DescriptionOfTransaction>RENTAL - RENTAL OF OFFICE &amp; LAB SPACE FOR HIMSELF &amp; ASSOCIATE FROM ORGANIZATION AT FAIR MARKET VALUE</DescriptionOfTransaction>
        <SharingOfRevenues>0</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>DR JAMES B CLAIBORNE</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>TRUSTEE</Relationship>
        <AmountOfTransaction>5443</AmountOfTransaction>
        <DescriptionOfTransaction>RENTAL - RENTAL OF OFFICE &amp; LAB SPACE FROM ORGANIZATION AT FAIR MARKET VALUE</DescriptionOfTransaction>
        <SharingOfRevenues>0</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>DR BRUCE ASTANTON</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>TRUSTEE</Relationship>
        <AmountOfTransaction>6121</AmountOfTransaction>
        <DescriptionOfTransaction>STIPENDS - PAID STIPENDS &amp; HONORARIA</DescriptionOfTransaction>
        <SharingOfRevenues>0</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>PHOEBE FORREST LINK</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>SISTER TO FORMER EXECUTIVE DIRECTOR AND MOTHER OF CURRENT TRUSTEE.</Relationship>
        <AmountOfTransaction>2750</AmountOfTransaction>
        <DescriptionOfTransaction>RENTAL - RENTED HOUSE TO ORGANIZATION.</DescriptionOfTransaction>
        <SharingOfRevenues>0</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>JOHN FORREST</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>FORMER EXECUTIVE DIRECTOR</Relationship>
        <AmountOfTransaction>12000</AmountOfTransaction>
        <DescriptionOfTransaction>HONORARIA - PAID HONORARIA</DescriptionOfTransaction>
        <SharingOfRevenues>0</SharingOfRevenues>
      </Form990ScheduleLPartIV>
    </IRS990ScheduleL>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <SecuritiesPubliclyTraded>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>1</NumberOfContributions>
        <NoncashContribsRptdF990>1010567</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>FMV @ DATE OF DONATION</MethodOfDeterminingRevenues>
      </SecuritiesPubliclyTraded>
      <AnyPropertyThatMustBeHeld>0</AnyPropertyThatMustBeHeld>
      <ReviewProcessUnusualNCGifts>0</ReviewProcessUnusualNCGifts>
      <ThirdPartiesUsed>0</ThirdPartiesUsed>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 2</ReturnReference>
        <Explanation>JAMES L. BOYER AND PHOEBE C. BOYER HAVE FAMILY RELATIONSHIP. THEY ARE FATHER &amp; DAUGHTER.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 3</ReturnReference>
        <Explanation>MANAGEMENT OF MDIBL'S INVESTMENT ACCOUNTS WAS PERFORMED BY CONTRACTED INVESTMENT MANAGEMENT FIRMS. BEGINNING IN 2013, THE ENDOWMENT INVESTMENTS ARE HELD AT FIDELITY, INC. AND THE FIRST, AND HELD IN MONEY MARKET AND S&amp;P 500 INDEX FUNDS, OVERSEEN BY THE INVESTMENT COMMITTEE.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 6</ReturnReference>
        <Explanation>THERE ARE 230 MEMBERS OF THE CORPORATION, 67 ARE FULL MEMBERS WITH VOTING POWER.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 7A</ReturnReference>
        <Explanation>FULL MEMBERS HAVE VOTING RIGHTS AND ARE RESPONSIBLE FOR ELECTING THE BOARD OF TRUSTEES.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 11</ReturnReference>
        <Explanation>THE FORM 990 IS REVIEWED BY SENIOR MANAGEMENT AND GOVERNANCE COMMITTEE PRIOR TO FILING. COPIES ARE PROVIDED TO THE ENTIRE BOARD AFTER THE FORM 990 IS FILED.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 12C</ReturnReference>
        <Explanation>THE BOARD OF TRUSTEES ARE ASKED TO REVIEW THE CONFLICT OF INTEREST POLICY AND DISCLOSE ANY POTENTIAL CONFLICTS ANNUALLY.THE ORGANIZATION MONITORS THE CONFLICT OF INTEREST ISSUES FOR SCIENTISTS AT THE TIME OF HIRE AS WELL AS FOR SCIENTISTS AND OTHER KEY PEOPLE ON NIH GRANTS AT KEY TIMES DURING INDIVIDIUAL GRANT CYCLES. THE CHAIRMAN OF THE BOARD HAS CHARGED THE GOVERNANCE COMMITTEE WITH REVIEWING THE WRITTEN POLICY ON AN ANNUAL BASIS AND ENSURING THAT EACH MEMBER OF THE BOARD READS AND SIGNS THE POLICY ANNUALLY. TIME IS SET ASIDE AT ONE BOARD MEETING PER YEAR TO DISCUSS POTENTIAL CONFLICTS OF INTEREST.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 15</ReturnReference>
        <Explanation>MDIBL USES COMPARABILITY DATA FROM OTHER NON-PROFITS IN THE AREA AND IN SAME FIELD OF SCIENTIFIC RESEARCH.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION C, LINE 19</ReturnReference>
        <Explanation>MDIBL MAKES ITS GOVERNING DOCUMENTS AND FINANCIAL STATEMENTS AVAILABLE IN PDF FORMAT ON ITS WEBSITE. THE CONFLICT OF INTEREST STATEMENT IS AVAILABLE BY REQUEST. FORM 990 IS ALSO AVAILABLE ON GUIDESTAR.COM</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>CHANGES IN NET ASSETS OR FUND BALANCES:</Identifier>
        <ReturnReference>FORM 990, PART XI, LINE 9:</ReturnReference>
        <Explanation>ROUNDING -20. CHANGE IN INDIRECT COST RATES CALCULATED FOR 2011 -99,674.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>PART XII - LINE 2C</ReturnReference>
        <Explanation>THE OVERSIGHT AND SELECTION PROCESS HAVE NOT CHANGED DURING THE TAX YEAR.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
  </ReturnData>
</Return>