1. Department of Health and Exercise Science; Wake Forest University; Winston-Salem North Carolina
2. Section on Gerontology and Geriatric Medicine; Department of Internal Medicine; Sticht Center on Aging; Wake Forest University; Winston-Salem North Carolina
3. Division of Gerontology; Department of Epidemiology and Public Health; School of Medicine; University of Maryland; Baltimore Maryland
4. Nutrition, Exercise Physiology, and Sarcopenia Laboratory; Jean Mayer U.S. Department of Agriculture Human Nutrition Research Center on Aging; Tufts University; Boston Massachusetts
5. Department of Internal Medicine; Yale School of Medicine; New Haven Connecticut
6. Department of Health Research and Policy; School of Medicine; Stanford University; Stanford California
7. Department of Medicine; School of Medicine; Stanford University; Stanford California
8. Department of Aging and Geriatric Research; Institute on Aging; College of Medicine; University of Florida; Gainesville Florida
9. Department of Medicine and Preventive Medicine; Feinberg School of Medicine; Northwestern University; Chicago Illinois
10. Department of Epidemiology and Medicine; Graduate School of Public Health; University of Pittsburgh; Pittsburgh Pennsylvania
11. Division of Public Health Sciences; Department of Biostatistical Sciences; School of Medicine; Wake Forest University; Winston-Salem North Carolina