From the German Center for Vertigo and Balance Disorders (M.W., J.D., S.K., A.S., T.B., K.J., R.S.), Department of Neurology (E.N., S.K., A.S., R.S.), and Institute for Clinical Neuroscience (T.B.), University of Munich; and Schoen Klinik Bad Aibling (K.J.), Germany. (2016-06-07時点)