1. The Hospital for Sick Children, Toronto, Canada
2. Department of Pediatrics, University of Toronto, Toronto, Canada
3. ICES, Toronto, Canada
4. Child Health Evaluative Sciences, SickKids Research Institute, Toronto, Canada
5. Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Canada
6. Department of Psychiatry, Temerty Faculty of Medicine, University of Toronto, Toronto, Canada
7. Centre for Addiction and Mental Health, Toronto, Canada
8. Women's College Hospital and Women's College Research Institute, Toronto, Canada
9. Children's Mental Health Ontario, Toronto, Canada
10. Children's Hospital of Eastern Ontario Research Institute, Ottawa, Canada
11. School of Epidemiology and Public Health, University of Ottawa, Ottawa, Canada
12. Knowledge Institute on Child and Youth Mental Health and Addictions, Ottawa, Canada