1. The Hospital for Sick Children, Child Health Evaluative Sciences, Toronto, Ontario, Canada
2. Alberta Children’s Hospital, Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
3. Department of Anesthesiology, Perioperative, and Pain Medicine, Alberta Children’s Hospital Research Institute, University of Calgary, Calgary, Alberta, Canada
4. Department of Anesthesiology and Pain Medicine, Faculty of Medicine, Université de Montréal, Montreal, Quebec, Canada
5. Research Center of the Centre Hospitalier de l’Université de Montréal, Montreal, Quebec, Canada
6. Department of Anesthesiology and Pain Medicine, Faculty of Medicine, Department of Psychology, Université de Montréal, Montreal, Quebec, Canada
7. Department of Biomedical Sciences, Université de Montréal, Montreal, Quebec, Canada
8. Department of Health Sciences, Université du Québec en Abitibi-Témiscamingue, Rouyn-Noranda, Quebec, Canada
9. Institute of Health Policy, Management & Evaluation, University of Toronto, Toronto, Ontario, Canada
10. Lawrence S. Bloomberg Faculty of Nursing, University of Toronto, Toronto, Ontario, Canada
11. Department of Anesthesiology & Pain Medicine, University of Ottawa, Ottawa, Ontario, Canada
12. Department of Psychology, The Ottawa Hospital, Ottawa, Ontario, Canada
13. Clinical Epidemiology Program, The Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
14. Chronic Pain Service, Montreal Children’s Hospital, McGill University Health Center, Montreal, Quebec, Canada
15. Departments of Pediatrics & Emergency Medicine, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
16. Women and Children’s Health Research Institute, University of Alberta, Edmonton, Alberta, Canada
17. Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
18. Division of Child Youth & Emerging Adulthood Psychiatry, CAMH, Toronto, Ontario, Canada
19. Department of Anesthesia and Pain Medicine, Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
20. Interprofessional Pain and Addiction Recovery Clinic, Centre for Addiction and Mental Health, Toronto, Ontario, Canada
21. Department of Medicine, McMaster University, Hamilton, Ontario, Canada
22. British Columbia, Canada
23. Northern Ontario School of Medicine, Thunder Bay, Ontario, Canada