1. Research Program in Men's Health: Aging and Metabolism; Brigham and Women's Hospital; Harvard Medical School; Boston MA USA
2. Division of Radiology; Seattle Children's Hospital; Seattle WA USA
3. Department of Radiology; Boston University School of Medicine and Boston Medical Center; Boston MA USA
4. Center for Biomedical Imaging; New York University School of Medicine; New York NY USA
5. Kaiser Permanente Baldwin Park; Baldwin Park CA USA
6. Department of Radiology; Massachusetts General Hospital; Harvard Medical School; Boston MA USA
7. Program on Aging; Hebrew SeniorLife; Roslindale MA USA