1. From the Department of Neurology (M.S., R.J.S.), University Hospital Düsseldorf, Düsseldorf, Germany; the Department of Neurology (M.G.H.), Rupprecht-Karls University Heidelberg/Mannheim, Mannheim, Germany; the Department of Neurology (D.S.), University, Leipzig, Germany; the Department of Neurology (G.-M.v.R.), Asclepios Hospital Nidda, Nidda, Germany; the Department of Neurology (J.R.), Hospital, Minden, Germany; the Department of Neurology (O.W.W.), Friedrich-Schiller-University, Jena, Germany;...