1. From the Departments of Medicine and Cardiology, Cardiac Rehabilitation and Exercise Laboratories, William Beaumont Hospital, Royal Oak, MI (B.A.F.); and Departments of Medicine and Pathology, University of Vermont College of Medicine, Burlington (M.C.). Dr Franklin is Immediate Past Chair, American Heart Association Council on Nutrition, Physical Activity, and Metabolism. Dr Cushman is Immediate Past Chair, American Heart Association Council on Epidemiology and Prevention.