1. Institute of Clinical Neuroimmunology, Ludwig-Maximilians-Universität München, 81377 Munich, Germany
2. Marianne-Strauß-Klinik, Behandlungszentrum Kempfenhausen für Multiple Sklerose Kranke gGmbH, 82335 Berg, Germany
3. Institute of Medical Information Processing, Biometry, and Epidemiology, Faculty of Medicine, Ludwig-Maximilians-Universität München, 81377 Munich, Germany
4. Biomedical Center and University Hospital, Ludwig-Maximilians-Universität München, 82152 Planegg-Martinsried, Germany
5. Department of Neurology, Ruhr-University Bochum, 44791 Bochum, Germany