1. Clinical Outcomes Research Unit (CORe), Department of Medicine, University of Melbourne, Parkville, VIC, Australia
2. Clinical Outcomes Research Unit (CORe), Department of Medicine, University of Melbourne, Parkville, VIC, Australia/MS Centre, Department of Neurology, The Royal Melbourne Hospital, Melbourne, VIC, Australia
3. Isfahan University of Medical Sciences, Isfahan, Iran
4. Faculty of Medicine, Ondokuz Mayis University, Samsun, Turkey
5. KTU Faculty of Medicine, Farabi Hospital, Trabzon, Turkey
6. Nehme and Therese Tohme Multiple Sclerosis Center, American University of Beirut Medical Center, Beirut, Lebanon
7. Haydarpasa Numune Training and Research Hospital, Istanbul, Turkey
8. Department of Neurology, Faculty of Medicine, Hacettepe University, Ankara, Turkey
9. Department of Neurology, Kasr Al-Ainy MS Research Unit (KAMSU), Cairo University, Cairo, Egypt
10. Bakirkoy Education and Research Hospital for Psychiatric and Neurological Diseases, Istanbul, Turkey
11. Department of Neurology, School of Medicine, Koç University, Istanbul, Turkey
12. Rashid Hospital, Dubai, United Arab Emirates
13. Department of Neurology, King Fahad Specialist Hospital, Dammam, Saudi Arabia
14. Division of Neurology, Department of Medicine, Amiri Hospital, Sharq, Kuwait