1. From the Department of Neurology (M.W., K.K., A.B., U.D., L.H., K.M.E.) and the Institute of Medical Biometry (K.D.W.), Charité Hospital, Humboldt University, Berlin, Germany. Correspondence to Markus K. Weih, MD, Department of Neurology, Charité Hospital, Humboldt University, Schumannstrasse 20-21, 10098 Berlin, Germany.