1. Division of Adolescent Medicine, Department of Pediatrics, Hospital for Sick Children and University of Toronto, Toronto, Ontario, Canada
2. Children’s Hospital of Eastern Ontario, Ottawa, Ontario, Canada
3. Montreal Children’s Hospital and McGill University Health Center, Montreal, Quebec, Canada
4. Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, Ontario, Canada
5. Janeway Children’s Health & Rehabilitation Centre, Eastern Health, Memorial University of Newfoundland, St. John’s, Newfoundland, Canada
6. Department of Pediatrics, McMaster University, Hamilton, Ontario, Canada
7. BC Children’s Hospital and University of British Columbia, Vancouver, British Columbia, Canada
8. Winnipeg Health Sciences Centre and University of Manitoba, Winnipeg, Manitoba, Canada
9. Biostatistics, Design and Analysis, The Hospital for Sick Children, Toronto, Ontario, Canada
10. Division of Adolescent Medicine, Department of Pediatrics, Hospital for Sick Children, Toronto, Ontario, Canada
11. Now with KPMG LLP (Canada), Toronto, Ontario, Canada
12. Alberta Children’s Hospital and University of Calgary, Calgary, Alberta, Canada