1. Department of Epidemiology and Public Health University of Maryland School of Medicine Baltimore Maryland USA
2. Research Institute California Pacific Medical Center Research Institute San Francisco California USA
3. Research Program in Men's Health: Aging and Metabolism. Boston Claude D. Pepper Older Americans Independence Center Brigham and Women's Hospital Boston Massachusetts USA
4. Jean Mayer U.S. Department of Agriculture Human Nutrition Research Center on Aging Tufts University Boston Massachusetts USA
5. Servicio de Geriatría Hospital Universitario Ramón y Cajal (IRYCIS) Madrid Spain
6. Gérontopôle & Department of Internal Medicine and Geriatrics CHU Toulouse, Toulouse, France and University of New Mexico Division of General Internal, Medicine and Geriatric Medicine Albuquerque New Mexico USA
7. Health Education Alliance for Aging Research Washington District of Columbia USA
8. Strategic Communications Reingold, Inc. Alexandria Virginia USA
9. Department of Nutritional Sciences and Toxicology University of California at Berkeley Berkeley California USA