1. From the Department of Public Health and Clinical Medicine (M.E., F.J., K.A.), Umeå University, Umeå, Sweden; the Department of Neurology (P.A.), Örebro University Hospital, Örebro , Sweden; the Department of Medicine (K.H.Å.), Enköping Hospital, Enköping, Sweden; the Department of Neurology (B.N.), Lund University Hospital, Lund, Sweden; The National Board of Health and Welfare (B.S.), Stockholm, Sweden; and the Department of Medical Sciences (A.T.), Uppsala University Hospital, Uppsala,...