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    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetIncomeLoss" xlink:to="MinorityInterestInNetIncomeLossOtherMinorityInterests" xlink:title="calculation: NetIncomeLoss to MinorityInterestInNetIncomeLossOtherMinorityInterests" use="optional" order="2.0" weight="-1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterestInNetIncomeLossOperatingPartnerships" xlink:label="MinorityInterestInNetIncomeLossOperatingPartnerships" xlink:title="MinorityInterestInNetIncomeLossOperatingPartnerships" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetIncomeLoss" xlink:to="MinorityInterestInNetIncomeLossOperatingPartnerships" xlink:title="calculation: NetIncomeLoss to MinorityInterestInNetIncomeLossOperatingPartnerships" use="optional" order="3.0" weight="-1.0" />
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