1. From the University MS Center, Hasselt-Pelt, Belgium (LG, TParciak, AP, BVW, LMP)
2. Biomedical Research Institute (BIOMED) (LG, TParciak, AP, BVW, LMP), University of Hasselt, Diepenbeek, Belgium
3. Data Science Institute (LG, TParciak, AP, LMP), University of Hasselt, Diepenbeek, Belgium
4. University Medical Center Göttingen, Department of Medical Informatics, Germany (TParciak)
5. ESAT-STADIUS, KU Leuven, Leuven, Belgium (AP)
6. Accelerated Cure Project for MS, Waltham, MA, USA (RM, HS)
7. Association of Multiple Sclerosis Societies of Croatia, Zagreb (TM)
8. Center for Clinical Neuroscience, University Hospital Dresden, Germany (TZ)
9. NeuroTransData Study Group, Neuburg/Donau, Germany (AB)
10. Neurology Department, Hospital Universitario de CEMIC, Buenos Aires, Argentina (JIR)
11. MS Center of Buenos Aires (CEMBA), Argentina (EC)
12. Department of Neurology, Universidad Autonoma de Madrid, Spain (JAG-M)
13. Neurology Service, Puerta de Hierro Hospital, Majadahonda, Madrid, Spain (JAG-M)
14. University of Malaga, Department of Pharmacology, Spain (OF)
15. Neurologic Clinic and Policlinic, MS Center and Research Center for Clinical Neuroimmunology and Neuroscience Basel (RC2NB), University Hospital Basel, University of Basel, Basel, Switzerland (JK)
16. Multiple Sclerosis Center, Department of Neurology, Neurocenter of Southern Switzerland, Lugano, Switzerland (CG)
17. Faculty of Biomedical Sciences, Università della Svizzera Italiana, Lugano, Switzerland (CG)
18. Life Sciences Department, E*HealthLine.com, Inc (AD)
19. Neuroepidemiology Unit, Melbourne School of Population and Global Health, The University of Melbourne, Australia (SS-Y, NN)
20. Multiple Sclerosis Center, American University of Beirut Medical Center, Lebanon (BY)
21. Data Center of the Swiss Multiple Sclerosis Registry, Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Switzerland (NS)
22. Department of Neurology, CHU de Charleroi, Charleroi, Belgium (PS)
23. Department of Neurosciences, Laboratory for Neuroimmunology, KU Leuven, Leuven, Belgium (BD)
24. Leuven Brain Institute KU Leuven, Leuven, Belgium (BD)
25. Department of Neurology, University Hospitals Leuven, Leuven, Belgium (BD)
26. Menzies Institute for Medical Research, University of Tasmania, Hobart TAS, Australia (IvdM)
27. German MS-Registry, MS Forschungs- und Projektentwicklungs-gGmbH, Hannover, Germany (AS)
28. Clinic of Neurology, Clinical Center of Serbia, Belgrade, Serbia (JD)
29. Institute of Epidemiology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia (TPekmezovic)
30. Collegium Medicum, Jan Kochanowski University, Kielce, Poland (WB)
31. Centre d’Esclerosi Múltiple de Catalunya (Cemcat), Edifici Cemcat, Hospital Universitari Vall d′Hebron, Barcelona, Spain (MT)
32. Department of Neurology, OLVG, and Department of Neurology, Amsterdam UMC, Location VUMC, Amsterdam, the Netherlands (NK)
33. PMA - Pharma Marketing Advisors, Ltd, Sofia, Bulgaria (RI)
34. Department of Neurology, Ain Shams University, Egypt (MZ)
35. Department of Neurology, Cairo University, Egypt (MAN)
36. icometrix, Leuven, Belgium (WVH)
37. Second Neurological University Department, Multiple Sclerosis Center, Aristotle University of Thessaloniki, AHEPA General University Hospital, Thessaloniki Greece (NG, MB)
38. MS Center Hospital Britanico, Buenos Aires, Argentina (AC)
39. Department of Neurology and Cerebrovascular Disorders, Poznan University of Medical Sciences, Poznan, Poland (MAP)
40. Wolfson Institute of Preventive Medicine, Charterhouse Square, London, UK (RD)
41. Department of Neurology, Katholisches Klinikum, St Josef Hospital, Ruhr University Bochum, Bochum Germany (KH)
42. Clinical Practice Research Datalink (CPRD), Medicines and Healthcare Products Regulatory Agency (MHRA), London, UK (AG)
43. Clinical Neurology Unit, San Raffaele University, Milan, Italy (LL, GDC)
44. Hospital Universitário Getulio Vargas, Manaus/Amazonas, Brazil (NAdCS)
45. REDONE – Brazilian Registry of Multiple Sclerosis and Neuromyelitis Optica Spectrum Disorders, São Paulo, Brazil (NAdCS)
46. Noorderhart, Rehabilitation and MS Center, Pelt, Belgium (BVW)