1. King’s College Hospital, NHS Foundation Trust, London, UK
2. University of Cambridge, Cambridge, UK
3. Spinal Cord Injury Center, Balgrist University Hospital, Zurich, Switzerland
4. Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, USA
5. Department of Neurosurgery, University of California Davis, Davis, CA, USA
6. The Interface Group, Institute of Physiology, University of Zurich, Zurich, Switzerland
7. Department of Neurology, New York UniversityLangone, New York, NY, USA
8. Department of Surgery, Asaba Specialist Hospital, Asaba, Nigeria
9. Division of Neurosurgery and Spinal Program, University of Toronto, Toronto, ON, Canada
10. University of Nebraska Medical Center, Omaha, NE, USA
11. Professor of Orthopedics and Traumatology, University del Desarrollo, Clinica Alemana de Santiago, Santiago, Chile
12. Duke University Medical Center, Durham, NC, USA
13. Department of Family Medicine, McMaster University, Hamilton, ON, USA
14. Hounslow and Richmond Community Healthcare, London, UK
15. Myelopathy.org, Cambridge, UK
16. Nottingham University Hospital, Nottingham, UK