1. Department of Neurology, St Josef-Hospital, Ruhr University Bochum, Bochum, Germany
2. Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena
3. Department of General Pediatrics, University Children’s Hospital Münster, Münster, Germany
4. University Children’s Hospital Mannheim, Heidelberg University, Heidelberg, Germany
5. Neurologic Practice Hamburg, Hamburg, Germany
6. Neurologic Practice Barsinghausen, Barsinghausen, Germany
7. Department of Neurology, University of Bonn, Bonn, Germany
8. Faculty of Pharmacy, University of Dusseldorf, Dusseldorf, Germany
9. Department of Neurology, kbo-Isar-Amper-Klinikum München-Ost, Munich, Germany
10. Institute for Clinical Neuroimmunology, Ludwig-Maximilians-University, Munich, Germany
11. Biogen Idec, Cambridge, Massachusetts
12. Department of Neurology, St Josef-Hospital, Ruhr University Bochum, Bochum, Germany2Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena