1. From the Boston Claude D. Pepper Older Americans Independence Center, Research Program in Men’s Health: Aging and Metabolism (S. Bhasin, N.K.L., S. Basaria, T.W.S., T.G.T., L.G., B.F.B., R.E.), Brigham and Women’s Hospital (S. Bhasin, N.K.L., S. Basaria, P.C.D., T.W.S., T.G.T., P.G., M.B.C., L.G., B.F.B., R.E.), Marcus Institute for Aging Research, Hebrew SeniorLife, Harvard Medical School (T.G.T.), and the University of Massachusetts Boston (P.G.), Boston, and Meyers Primary Care Institute (joint...