1. From the Department of Neurology (G.C.R.), School of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, Tex; Department of Neurology and the Memory and Aging Program (S.S.), Brown Alpert Medical School, Butler Hospital, Providence, RI; Department of Neurology (S.E.B.), University of Toronto, Sunnybrook Health Sciences Centre, Toronto, Canada; Departments of Psychiatry, Medicine, Pharmacology, and Family and Community Medicine, Division of Aging and Geriatric Psychiatry ...