1. From the Departments of Psychiatry (A.C., E.K., C.B., P.G.) and Geriatrics (G.G., F.R.H., J.P.M.), HUG Belle-Idée, University of Geneva School of Medicine, Geneva, Switzerland; Service of Old Age Psychiatry (P.G.), University of Lausanne School of Medicine, Lausanne; Fishberg Research Center for Neurobiology and Kastor Neurobiology of Aging Laboratories (P.R.H., C.B.), and the Departments of Geriatrics and Adult Development and Ophthalmology (P.R.H.), Mount Sinai School of Medicine, New York, NY.