1. From the Department of Neurology, Medical University of Graz, Graz, Austria (M.B., C.E., T.G., F.F.); Division of Neuroradiology, Department of Radiology, Medical University of Graz, Graz, Austria (C.E.); Department of Pathology, Medical University of Graz, Graz, Austria (M.A.); and Department for Medical Informatics, Statistics and Documentation, Medical University of Graz, Graz, Austria (G.W.).