1. Reva Spine Centre, Visakhapatnam, India
2. Spinal Surgery Division, Department of Traumatology, University Hospital Centre Sestre Milosrdnice, Zagreb, Croatia
3. Department of Anatomy and Physiology, University of Applied Health Sciences, Zagreb, Croatia
4. Gerling Institute, Brooklyn, NY, USA
5. Department of Orthopedic Surgery, NYU Grossman School of Medicine, New York, NY, USA
6. Research Department, AO Spine, AO Foundation, Davos, Switzerland
7. Professor of Orthopaedic and Trauma Surgery, Faculty of Medicine, Assiut University, Assiut, Egypt
8. Professor of Neurosurgery, Faculty of Medicine, Passo Fundo University, Passo Fundo, Brazil
9. Orthopaedic Registrar, Hampshire Hospital NHS Foundation Trust, Hampshire, UK
10. USC Spine Center, Los Angeles, CA, USA
11. Department of Orthopaedic Surgery and Neurological Surgery, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
12. Department of Neurosurgery, BG Klinikum Bergmannstrost Halle, Germany