1. From the Department Neurology (M.S., S.K., W.L., J.F.), St. Johns Hospital Vienna; Sigmund Freud University Vienna (M.S., I.B., W.L.); Austrian National Public Health Institute (D.M.), Vienna; Medical University of Graz (T.G., S.F.-H.); Medical University of Vienna (M.M., S.G.); and Medical University of Innsbruck (M.K.), Austria.