1. From the Departments of Neurology, Universities of Zürich (D.G., C.R.B., H.-C.v.B., R.W.B.) and of Basel (S.E., P.L.); the Departments of Neurology, District Hospitals of St Gallen (B.T.) and of Aarau (H.H., C.B.); the Department of Internal Medicine (R.L.), District Hospital of Triemli; the Department of Neurology (F.M.), District Hospital of Thurgau (Münsterlingen); the Department of Neurology (M.A.), University of Bern; and the Department of Internal Medicine (C.G.), District Hospital of Waid,...