1. CORe, Department of Medicine, University of Melbourne, Melbourne, 3050, Australia
2. Melbourne MS Centre, Department of Neurology, Royal Melbourne Hospital, Melbourne, 3050, Australia
3. Rennes University, EHESP, REPERES (Pharmaco-epidemiology and Health services research) - EA 7449, Rennes, France
4. Faculty of Science, Engineering and Technology, School of Science, Department of Mathematics, Swinburne University of Technology, Melbourne, 3122, Australia
5. University of Lyon, Claude Bernard University Lyon 1, F-69000 Lyon, France
6. Hospices Civils de Lyon, Service de Neurologie, sclérose en plaques, pathologies de la myéline et neuro-inflammation, F-69677 Bron, France
7. Observatoire Français de la Sclérose en Plaques, Lyon Neuroscience Research Centre, INSERM 1028 et CNRS UMR 5292, F-69003 Lyon, France
8. EUGENE DEVIC EDMUS Foundation against multiple sclerosis, state-approved foundation, F-69677 Bron, France
9. Department of Clinical Neurosciences, University of Cambridge, Cambridge, CB2 0QQ, UK
10. Department of Neurology and Center of Clinical Neuroscience, First Faculty of Medicine, Charles University in Prague and General University Hospital, Prague, 12808, Czech Republic
11. Department of Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari, Bari, 70122, Italy
12. GF Ingrassia Department, University of Catania, Catania, 95123, Italy
13. Policlinico G Rodolico, 95123, Catania, Italy
14. Hospital Universitario Virgen Macarena, Sevilla, 41009, Spain
15. Department of Neuroscience, Imaging, and Clinical Sciences, University G. d’Annunzio, 66100 Chieti, Italy
16. IRCCS Istituto delle Scienze Neurologiche di Bologna, UOSI Riabilitazione Sclerosi Multipla, Bologna, 40139, Italy
17. Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
18. CHUM MS Center and Universite de Montreal, Montreal, H2L 4M1, Canada
19. CISSS Chaudière-Appalache, Lévis, Levis, G6X 0A1, Canada
20. Department of Neuroscience, Azienda Ospedaliera Universitaria, Modena, 41100, Italy
21. Dokuz Eylul University, Konak/Izmir, 35220, Turkey
22. IRCCS Mondino Foundation, Pavia, 27100, Italy
23. Centro Hospitalar Universitário de São João and Universidade Fernando Pessoa, 4249-004 Porto, Portugal
24. UOC Neurologia, Azienda Sanitaria Unica Regionale Marche - AV3, Macerata, 62100, Italy
25. KTU Medical Faculty Farabi Hospital, Karadeniz Technical University, Trabzon, 61080, Turkey
26. Department of Medicine and Surgery, University of Parma, Parma, 43126, Italy
27. Department of General Medicine, Parma University Hospital, Parma, 43126, Italy
28. Zuyderland Ziekenhuis, Sittard, Sittard, 6131 BK, The Netherlands
29. Medical Faculty, 19 Mayis University, Kurupelit, Samsun, 55160, Turkey
30. School of Medicine and Public Health, University Newcastle, 2308, Australia
31. Department of Neurology, John Hunter Hospital, Hunter New England Health, Newcastle, 2305, Australia
32. Azienda Ospedaliera di Rilievo Nazionale San Giuseppe Moscati Avellino, Contrada Amoretta, Avellino, 83100, Italy
33. Cliniques universitaires Saint-Luc, Brussels, 1200 BXL, Belgium
34. Bakirkoy Education and Research Hospital for Psychiatric and Neurological Diseases, Istanbul, 34142, Turkey
35. Instituto de Investigación Sanitaria Biodonostia, Hospital Universitario Donostia, San San Sebastián, Spain, 20014, Spain
36. CSSS Saint-Jérôme, Saint-Jérôme, QC J7Z 0H6, Canada
37. Hospital Universitario Reina Sofia Cordoba (IMIBIC), 14004 Cordoba, Spain
38. Flinders University, Adelaide, 5042, Australia
39. Department of Neurology, Faculty of Medicine, University of Debrecen, Debrecen, 4032, Hungary
40. Haydarpasa Numune Training and Research Hospital, Selimiye Mahallesi, Istanbul, 34668, Turkey
41. Department of Neurology, Razi Hospital, 2010, Tunis, Manouba, Tunisia
42. Rehabilitation and MS-Centre Overpelt and Hasselt University, Hasselt, 3900, Belgium
43. University of Queensland, St Lucia, 4072, Australia
44. Royal Brisbane and Women's Hospital, Herston, 4029, Australia
45. Department of Neurology, Austin Health, Heidlberg, 3084, Australia
46. Faculty of Medicine and Dental Health Sciences, University of Melbourne, Melbourne, 3050, Australia
47. Central Clinical School, Monash University, Melbourne, 3004, Australia
48. Department of Neurology, The Alfred Hospital, Melbourne, 3004, Australia
49. Department of Neurology, Box Hill Hospital, Monash University, Melbourne, 3128, Australia