1. Addenbrooke’s Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom
2. Colchester Hospital, East Suffolk and North Essex NHS Foundation Trust, Colchester, United Kingdom.
3. Kings College Hospital, Kings College Hospital NHS Foundation Trust, London, United Kingdom
4. Langone Health, Graduate Medical Education, Department of Neurology, New York University, NY, USA
5. University of Nebraska Medical Center, Department of Neurosurgery, Omaha, Nebraska, USA
6. University Spine Center, Balgrist University Hospital, Zurich, Switzerland
7. Department of Orthopaedics, Columbia University Medical Center, The Och Spine Hospital at New York-Presbyterian, NY, USA
8. Department of Neurosurgery and The Miami Project to Cure Paralysis, The Miller School of Medicine, University of Miami, Miami, FL, USA
9. Department of Neurological Surgery, Thomas Jefferson University, Philadelphia, PA, USA
10. Division of Neurosurgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
11. Department of Orthopaedics, Spinal Unit (UVM), Centro Hospitalar Universitário do Porto - Hospital de Santo António, Porto, Portugal
12. Department of Orthopaedics, Instituto de CiM), Centro Hospital, Portugal
13. Department of Neurosurgery, Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran
14. Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD, USA
15. Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
16. Myelopathy.org, International Charity for Degenerative Cervical Myelopathy, United Kingdom
17. Department of Neurosurgery, University of Cambridge, Cambridge, United Kingdom
18. Department of Orthopaedics, University of British Columbia, Blusson Spinal Cord Center, Vancouver, British Columbia, Canada