1. From the Department of Neurology (S.L., M.W., G.C., B.-M.M.), Campus Benjamin Franklin, Charite-Universitaetsmedizin Berlin, Berlin, Germany; Physikalisch-Technische Bundesanstalt (T.S., M.B., L.T.), Berlin, Germany; and the Department of Neurology (B.-M.M.), Vivantes Auguste-Viktoria-Klinikum, Berlin, Germany.