1. From the Cleveland Clinic Coordinating Center for Clinical Research, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (A.M.L., L.M.M., Q.W., K.W., D.D., V.K., S.E.N.); the Research Program in Men’s Health: Aging and Metabolism, Brigham and Women’s Hospital, Harvard Medical School (S. Bhasin, S. Basaria, K.M.P.), Veterans Affairs Boston Healthcare System and Massachusetts Veterans Epidemiology, Research, and Information Center, Boston University School of Medicine (W.E.B.), and Marcus...