1. School of Medicine, Dentistry and Biomedical Sciences, Queen’s University Belfast, UK
2. University of British Columbia, Vancouver, British Columbia, Canada
3. Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada
4. Department of Neurology, Foshan Sanshui District People’s Hospital, Foshan, China
5. Division of Neurosurgery, Department of Surgery, University of Toronto, ON, Canada
6. First Department of Neurosurgery, Evangelismos General Hospital, National and Kapodistrian University of Athens, Greece
7. Division of Neurosurgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
8. Department of Neurosurgery, Birmingham Children’s Hospital, Birmingham, UK
9. Mood Disorders Psychopharmacology Unit, University Health Network, Toronto, Ontario, Canada
10. Department of Neurosurgery, Salmaniya Medical Complex, Manama, Bahrain
11. B. P. Koirala Institute of Health Sciences, Dharan, Nepal
12. Department of Neurosurgery, Foshan Sanshui District People's Hospital, Foshan, China
13. Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
14. Division of Orthopaedic Surgery, McGill University, Montreal, QC, Canada
15. Division of Neurosurgery and Spinal Program, Department of Surgery, University of Toronto, Toronto, ON, Canada