1. Research Institute, The Hospital for Sick Children, Toronto, Canada
2. Department of Psychiatry, University of Toronto, Canada
3. Dalla Lana School of Public Health, University of Toronto, Canada
4. Memorial University, St John’s, Newfoundland, Canada
5. Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, Canada
6. Department of Pediatrics, McMaster University, Hamilton, Canada
7. Department of Psychology, York University, Toronto, Canada
8. McMaster Children’s Hospital, Hamilton, Canada
9. Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Canada
10. Craigwood Youth Services, London, Canada
11. Centre for Addiction and Mental Health, Toronto, Canada