1. Department of Neurology, Neuroimmunological Section, University of Rostock, Rostock, Germany/Department of Neurology, Medical University of Vienna, Vienna, Austria
2. MS Forschungs- und Projektentwicklungs-gGmbH, Hannover, Germany
3. Department of Medical Statistics, University Medical Centre Göttingen, Göttingen, Germany
4. Neurological Rehabilitation Center Quellenhof, Bad Wildbad, Germany
5. MS-Center, Jewish Hospital Berlin, Berlin, Germany
6. Department of Neurology, University Hospital Essen, Essen, Germany
7. Department of Neurology, German Red Cross—Kamillus-Clinic, Asbach, Germany
8. Department of Medical Informatics, University Medical Center Göttingen, Göttingen, Germany
9. Department of Neurology, Neuroimmunological Section, University of Rostock, Rostock, Germany