1. Department of Neurological Surgery, University of California Davis, Davis, CA, USA
2. Department of Neurology, New York University, Langone Health, Graduate Medical Education, New York, NY, USA
3. Department of Neurosurgery, University of Cambridge, Cambridge, UK
4. University Spine Center, Balgrist University Hospital, Zurich, Switzerland
5. Department of Neurosurgery, Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran
6. Division of Neurosurgery, Department of Surgery, University of Toronto, Toronto, ON, Canada
7. Vancouver Spine Surgery Institute, Department of Orthopedics, The University of British Columbia, Vancouver, BC, Canada
8. Department of Neurological Surgery, Thomas Jefferson University, Philadelphia, PA, USA
9. Department of Neurosurgery and The Miami Project to Cure Paralysis, The Miller School of Medicine, University of Miami, Miami, FL, USA
10. Department of Neurosurgery, University of Maryland, Baltimore, MD, USA
11. Department of Neurosurgery, Medical College of Wisconsin, Wauwatosa, WI, USA