1. From Helsinki University Central Hospital, Helsinki, Finland (T.E.); University of Texas Health Science Center at San Antonio and A. Murphy Veterans Administration Hospital, San Antonio, Tex (G.R.); Alzheimer’s Disease Research Unit, McGill Centre for Studies on Aging, Montreal, Quebec, Canada (S.G.); Division of Neurology, University of British Columbia, Vancouver, British Columbia, Canada (H.F.); and Queen Elizabeth II Health Science Centre, Geriatric Medicine Research Unit, Dalhousie University,...