[1] University of Cambridge,Division of Neurosurgery, Department of Clinical Neurosciences, Addenbrooke’s Hospital
[2] University of Cambridge,School of Clinical Medicine
[3] Clínica Alemana,Spine unit, Department of Orthopedic and Traumatology
[4] University del Desarrollo,Department of Orthopedic and Traumatology, School of Medicine
[5] PGIMER,Department of Orthopaedics
[6] University Hospitals Leuven,Department of Neurosurgery
[7] Barrow Neurological Institute,Department of Neurosurgery, St. Joseph’s Hospital and Medical Center
[8] University of Sydney,Faculty of Medicine and Health
[9] Thomas Jefferson University,Department of Neurological Surgery
[10] Geneva University Hospitals,Division of Neurosurgery
[11] The Newcastle Upon Tyne Hospitals NHS Foundation Trust,Orthopedic surgeon, Spine and Orthopedics
[12] Chong Hua Hospital,Department of Orthopaedic Surgery
[13] The University of Tokyo Hospital,Division of Neurosurgery, Department of Surgery
[14] National Hospital Organization Hokkaido Medical Center,Jayapalan Division of Neurosurgery, Department of Surgery
[15] University of Toronto,Combined Neurosurgical and Orthopedic Spine Program. Vancouver General Hospital
[16] University Malaya Medical Centre,undefined
[17] University of British Columbia,undefined
[18] University of California,undefined
[19] Davis,undefined