1. Academic Neurosurgery Unit, Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK
2. University of Bristol, Bristol, UK
3. James Lind Alliance, National Institute for Health Research, Southampton, UK
4. Toronto Western Hospital, University Health Network, University of Toronto, Toronto, Ontario, Canada
5. Myelopathy.org, Cambridge, UK
6. Goffin Consultancy, Kent, UK
7. Toronto Rehabilitation Institute-LC, University Health Network, Toronto, Ontario, Canada
8. University of Maryland, Baltimore, MD, USA
9. Vancouver General Hospital, University of British Columbia, Vancouver, British Columbia, Canada
10. Medical College of Wisconsin, Milwaukee, WI, USA
11. Thomas Jefferson University Hospital, Philadelphia, PA, USA
12. University of Toronto, Toronto, Ontario, Canada
13. Houston Methodist Hospital, Houston, TX, USA
14. Balgrist University Hospital, Zurich, Switzerland
15. Wellcome Trust & MRC Cambridge Stem Cell Institute, Cambridge, UK