1. National Institute on Aging, National Institutes of Health, U.S. Department of Health and Human Services , Bethesda, Maryland , USA
2. Department of Nutritional Science and Toxicology, University of California at Berkely , Berkely, California , USA
3. Nutrition, Exercise Physiology, and Sarcopenia Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University , Boston, Massachusetts , USA
4. Eli Lilly, Inc. , Indianapolis, Indiana , USA
5. National Institute of Arthritis, Musculoskeletal and Skin Diseases, National Institutes of Health, U.S. Department of Health and Human Services , Bethesda, Maryland , USA
6. Gerontological Society of America (GSA) , Washington, District of Columbia , USA
7. Department of Epidemiology and Public Health, University of Maryland School of Medicine , Baltimore, Maryland , USA
8. Versanis Bio, Inc. , Oakland, California , USA
9. U.S. Food and Drug Administration (FDA), U.S. Department of Health and Human Services , Silver Spring, Maryland , USA
10. Department of Medicine, University of California, San Diego , San Diego, California , USA
11. Alliance for Aging Research, Aging in Motion , Washington, District of Columbia , USA
12. Research Program in Men’s Health: Aging and Metabolism, Boston Claude D. Pepper Older Americans Independence Center, Brigham and Women’s Hospital, Harvard Medical School , Boston, Massachusetts , USA