1. Department of Neurology Aarhus University Hospital Aarhus Denmark
2. Department of Neurology Semmelweis University BudapestHungary
3. Department of Neurology University of Szeged Szeged Hungary
4. Danish Multiple Sclerosis Center Rigshospitalet CopenhagenDenmark
5. Department of Clinical Epidemiology Aarhus University Hospital Aarhus Denmark
6. Department of Neurology Uzsoki Teaching Hospital BudapestHungary
7. Department of Neurology Somogy County Kaposi Mór University Teaching Hospital KaposvárHungary
8. Department of Neurology Csolnoky Ferenc County University Teaching Hospital VeszprémHungary
9. Department of Neurology National Healthcare Services Center BudapestHungary
10. Department of Neurology Péterfy Hospital BudapestHungary
11. Department of Neurology National Institute of Clinical Neurosciences BudapestHungary
12. Department of Neurology Bajcsy‐Zsilinszky Hospital and Outpatient Clinic BudapestHungary
13. Department of Neurology Aladár Petz County Teaching Hospital GyőrHungary
14. Department of Neurology Markusovszky University Teaching Hospital SzombathelyHungary
15. Department of Neurology Fejér County Szent György University Teaching Hospital SzékesfehérvárHungary
16. MTA‐SZTE Neuroscience Research Group of the Hungarian Academy of Sciences SzegedHungary
17. Department of Neurology Bács‐Kiskun County Hospital KecskemétHungary
18. Department of Neurology András Jósa Teaching Hospital NyíregyházaHungary
19. Department of Neurology Borsod‐Abaúj‐Zemplén County Hospital and University Teaching Hospital MiskolcHungary
20. Department of Neurology Ödön Jávorszky Hospital VácHungary
21. Department of Neurology Zala County Hospital ZalaegerszegHungary
22. Department of Neurology Balassa János Hospital of County Tolna SzekszárdHungary
23. Department of Neurology Vaszary Kolos Hospital EsztergomHungary
24. Department of Neurology Jahn Ferenc Hospital BudapestHungary
25. Department of Neurology University of Pécs PécsHungary
26. Department of Immunology and Biotechnology University of Pécs Pécs Hungary
27. Department of Neurology Odense University Hospital OdenseDenmark
28. Institute of Clinical Research BRIDGE University of Southern Denmark Odense Denmark