1. From the Department of Neurology (T.G., S.H., K.N., V.C., M.B., C.E., F.F.) and Division of Neuroradiology, Department of Radiology (C.E.), Medical University of Graz, Graz, Austria; Department of Neurology, Hospital Barmherzige Brueder, Vienna, Austria (J.F., W.L.); Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria (M.K.); and Center of Clinical Neurosciences, Danube University of Krems, Krems, Austria (L.S.).