1. Section on Gerontology and Geriatric Medicine, Department of Internal Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina
2. Department of Biostatistical Sciences, Wake Forest University School of Medicine, Winston-Salem, North Carolina
3. Stanford Prevention Research Center, Stanford University School of Medicine, Palo Alto, California
4. Pennington Biomedical Research Center, Baton Rouge, Louisiana
5. College of Medicine, University of Florida, Gainesville
6. Leon H. Charney Division of Cardiology, Department of Medicine, New York University School of Medicine, New York, New York
7. Division of Gerontology, Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore
8. Department of Psychiatry and Center for Aging Research, Indiana University, Indianapolis
9. Department of Psychology, Wake Forest University, Winston-Salem, North Carolina
10. Department of Health and Exercise Sciences, Wake Forest University, Winston-Salem, North Carolina
11. Departments of Neurology and Psychiatry, University of Pittsburgh, Pittsburgh, Pennsylvania
12. Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois13Senior Editor, JAMA
13. Nutrition, Exercise Physiology and Sarcopenia Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts
14. Departments of Neurology and Medicine, Albert Einstein College of Medicine, Bronx, New York
15. Department of Psychiatry, Wake Forest University School of Medicine, Winston-Salem, North Carolina