1. From the Division of Clinical Geriatrics (K.A., O.A., M.V.), Karolinska Institutet, Stockholm, Sweden; Tampere University Hospital (M.W.), Department of Neurosurgery, Finland; Department of Psychology (O.A.), Stockholm University, Stockholm, Sweden; the Department of Medical Genetics (M.P.), Family Federation of Finland, Helsinki, Finland; the Keski-Pohjanmaa Central Hospital (S.Tuisku), Kokkola, Finland; the Departments of Neurology (S.Tuominen) and Pathology (H.K.), Turku University Hospital,...