1. Department of Neurology, University Medical Center Regensburg, Regensburg, Germany
2. Department of Neurology, University of Cologne, Cologne, Germany
3. Department of Neurology, LVR-Klinik Bonn, Bonn, Germany
4. NeuroCure Clinical Research Center, Charité—Universitätsmedizin Berlin, Berlin
5. Departments of Neurology and Experimental Neurology, Charité—Universitätsmedizin Berlin, Berlin
6. Berlin Institute of Health (BIH), Berlin, Germany
7. Department of Neurology, Heidelberg University Hospital, Heidelberg, Germany
8. Department of Neurology, Klinikum Kassel, Kassel, Germany
9. Department of Mathematics and Computer Science, Philipps-Universitaet Marburg, Marburg, Germany
10. Department of Neurology, University Hospital Erlangen, Erlangen, Germany
11. Department of Neurology, HELIOS Klinikum Erfurt, Erfurt, Germany
12. Department of Neurology, DRK-Kliniken Nordhessen, Kassel, Germany
13. Department of Neurology, University Hospital, Technische Universität Dresden, Dresden, Germany
14. Department of Neurology, University Hospital Augsburg, Augsburg, Germany
15. Department of Neurology, Staedtisches Klinikum Dresden, Dresden, Germany
16. Department of Neurology, Medical Center—University of Freiburg, Germany
17. Department of Neurology, St. Josef-Hospital, Ruhr-University Bochum, Bochum, Germany
18. Marianne-Strauß-Klinik, Behandlungszentrum Kempfenhausen für Multiple Sklerose Kranke gGmbH, Berg, Germany.
19. Department of Neurology, Kliniken Maria Hilf GmbH Moenchengladbach, Mönchengladbach, Germany
20. Hans Berger Department of Neurology, Jena University Hospital, Jena, Germany