1. Department of Clinical Epidemiology and Biostatistics McMaster University Hamilton ON Canada
2. Department of Psychiatry University of Toronto Toronto ON Canada
3. The Hospital for Sick Children Toronto ON Canada
4. Department of Oncology McMaster University Hamilton ON Canada
5. Program in Evidence‐based Care Cancer Care Ontario Hamilton ON Canada
6. Child and Youth Mental Health Collaborative Centre for Addiction and Mental Health The Hospital for Sick Children University of Toronto Toronto ON Canada