1. From the Division of Clinical Neurosciences (P.S., M.D., S.L., J.W.), University of Edinburgh, Western General Hospital, Edinburgh, UK; the Department of Internal Medicine (E.B.), Ulleval Hospital, Oslo, Norway; the Section of Public Health Sciences, Division of Community Health Sciences (J.F.), University of Edinburgh, Edinburgh, UK; the Department of Neurology (P.H.). Royal Melbourne Hospital, Melbourne, Australia; the University Department of Geriatric Medicine (J.K.). Southampton General...