1 Department of Neurology and German Center for Vertigo and Balance Disorders (DSGZ), Ludwig Maximilians University, Munich, Campus Grosshadern, Marchioninistr. 15, 81377, Munich, Germany. Michael.Strupp@med.uni-muenchen.de.
2 Department of Neurology and German Center for Vertigo and Balance Disorders (DSGZ), Ludwig Maximilians University, Munich, Campus Grosshadern, Marchioninistr. 15, 81377, Munich, Germany.
3 Department of Neurology, Landeskrankenhaus Villach, Villach, Austria.
4 Department of Psychiatry, University Hospital Halle, Halle, Germany.