1. From the University of Maryland School of Medicine Departments of Neurology (C.E.H.-M., S.Y., R.F.M.) and Medicine Geriatrics Division (A.S.R., F.M.I., R.F.M.), Baltimore Veterans Administration Medical Center, Maryland; and Geriatrics Research Education Clinical Center (C.E.H.-M., S.Y., A.S.R., F.M.I., R.F.M.), Baltimore, Md.