<?xml version="1.0" encoding="UTF-8"?>
<study name="Baltimore Longitudinal Study of Aging" subjects="118" design="longitudinal" url="" biospecimen="false" clinical="true" demographics="true" genetics="false" otherData="false">
 <focus name="Aging"/>
 <description>
<![CDATA[The National Institute on Aging Baltimore Longitudinal Study of Aging (BLSA) is Americas longest-running scientific study of human aging. It began in 1958, and neuroimaging was introduced in 1994. The Open dataset includes defaced brain MRIs conducted 2009–2020 for a subset of the BLSA participants.  ]]>
 </description>
 <cohorts>
  <cohort name="Participant" subjects="118"/>
 </cohorts>
 <modalities>
  <modality name="MRI" description="Magnetic Resonance Imaging" subjects="118"/>
 </modalities>
</study>
