1. Translational Gerontology Branch, Intramural Research ProgramNational Institute on Aging, National Institutes of Health Baltimore MD USA
2. Laboratory of Clinical Investigation, Intramural Research ProgramNational Institute on Aging, National Institutes of Health Baltimore MD USA
3. Department of Radiology & Imaging SciencesEmory University Atlanta GA USA
4. Department of OrthopedicsEmory University Atlanta GA USA