1. From the Departments of Neurology (M.B., M.K.S., F.L., S.M., E.G., J.L., J. Guthmann, C.K., G.S., P.K.), University Hospital Würzburg, Germany
2. Department of Neurology, University Hospital Essen, University of Duisburg-Essen, Germany (J. Gronewold, A.-C.S., F.L., S.M., C.K., D.M.H.)
3. Neurosurgery (S.H.), University Hospital Würzburg, Germany
4. Department of Neurology, University of Göttingen Medical School, Germany (T.R.D.)
5. Department of Neurology, Klinikum Main-Spessart, Lohr, Germany (P.K.).