1. National MS Society, New York, NY, USA
2. School of Health Professions, University of Plymouth, Plymouth UK
3. Research in Rehabilitation, Italian MS Society and Foundation, Milan, Italy
4. Department of Medicine, University of Rome Tor Vergata, Rome, Italy
5. Department of Public Health, Aarhus University, Aarhus, Denmark
6. Department of Research, Kessler Foundation, West Orange, NJ, USA
7. Department of Rehabilitation Medicine, University of Washington Medicine, Seattle, WA, USA
8. Global Director of Patient Affairs, MedDay Pharmaceuticals, Maidenhead, UK
9. People Affected by MS Committee, International Progressive MS Alliance, Canberra, ACT, Australia
10. Department of Rehabilitation Sciences and Physiotherapy, Universiteit Hasselt, Hasselt, Belgium
11. School of Rehabilitation Therapy, Queen’s University, Kingston, ON, Canada
12. Department of Neuropsychiatry, Charitè—University of Medicine Berlin, Berlin, Germany
13. Department of Neurology, Radiology and Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA
14. Departments of Internal Medicine and Community Health Sciences, University of Manitoba, Winnipeg, MB, Canada
15. Department of Physical Medicine and Rehabilitation, Memorial University of Newfoundland, St. Johns, NL, Canada
16. Department of Anesthesiology, Critical Care and Pain Medicine, Harvard Medical School, Boston, MA, USA
17. Staff Neurologist, Vall d’Hebron University Hospital, Barcelona, Spain
18. Scientific Steering Committee, International Progressive MS Alliance, Glasgow, UK
19. Scientific Steering Committee, International Progressive MS Alliance, Long Beach, CA, USA
20. Global International Scientific Director, Neuroimmunology, F. Hoffmann-La Roche, Ltd., Basel, Switzerland
21. Department of Psychiatry, University of Toronto and Sunnybrook Health Sciences Centre, Toronto, ON, Canada