1. Department of Spine Surgery, Orthopaedic Research Group, Coimbatore, Tamil Nadu, India
2. Faculty of Engineering, Department of Biotechnology, Karpagam Academy of Higher Education, Coimbatore, Tamil Nadu, India
3. Department of Orthopaedics, Government Medical College, Karur, Tamil Nadu, India
4. Spinal Surgery Division, Traumatology Department, University Hospital Centre Sestre Milosrdnice, Zagreb, Croatia
5. Department of Anatomy and Physiology, University of Applied Health Sciences, Zagreb, Croatia
6. Department of Orthopedic Surgery, NYU Grossman School of Medicine, New York
7. Department of Neurosurgery, Emory University, Atlanta, Georgia
8. Department of Orthopeadic Surgery, Xijing Hospital, China
9. Department of Spine Surgery, The Bangalore Hospital, Karnataka, India
10. Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University of Rome, Italy
11. Department of Spine Surgery, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
12. Department of Neurosurgery, Edinburgh Spinal Surgery Outcome Studies Group, Royal Infirmary Edinburgh, Edinburgh, UK
13. Research Department, AO Spine, AO Foundation, Davos, Switzerland
14. Department of Orthopaedic Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California
15. Department of Neurosurgery, Bergmannstrost Hospital, Halle, Germany
16. Department of Orthopaedics, Emory University, Atlanta, Georgia