5 Department of Neurology, University Hospital Essen, Essen, Germany.
6 Department of Neurology, German Red Cross - Kamillus-Clinic, Asbach, Germany.
7 Department of Medical Informatics, University Medical Center Göttingen, Germany.
8 Department of Neurology, Neuroimmunological Section, University of Rostock, Rostock, Germany.
9 Department of Neurology, Neuroimmunological Section, University of Rostock, Rostock, Germany; Department of Neurology, Medical University of Vienna, Vienna, Austria. Electronic address: [email protected].