1 Hospital for Sick Children, Toronto, Ontario, Canada; Faculty of Medicine, University of Toronto, Ontario, Canada. Electronic address: suneeta.monga@sickkids.ca.
2 The Hospital for Sick Children Research Institute, Toronto, Ontario, Canada.
3 Hospital for Sick Children, Toronto, Ontario, Canada.
4 Bloomberg Faculty of Nursing, University of Toronto, Ontario, Canada; Centre for Addiction and Mental Health, Toronto, Ontario, Canada.
5 Faculty of Medicine, University of Toronto, Ontario, Canada; Centre for Addiction and Mental Health, Toronto, Ontario, Canada.
6 Centre for Addiction and Mental Health, Toronto, Ontario, Canada.
7 Hospital for Sick Children, Toronto, Ontario, Canada; Faculty of Medicine, University of Toronto, Ontario, Canada.
8 Centre for Addiction and Mental Health, Toronto, Ontario, Canada; Cundill Centre for Child and Youth Depression at the Centre for Addiction and Mental Health, Toronto, Ontario, Canada; Evidence-Based Practice Unit, Anna Freud National Centre for Children and Families, London, UK.
10 Hospital for Sick Children, Toronto, Ontario, Canada; Faculty of Medicine, University of Toronto, Ontario, Canada; Centre for Addiction and Mental Health, Toronto, Ontario, Canada.
11 Hospital for Sick Children, Toronto, Ontario, Canada; The Hospital for Sick Children Research Institute, Toronto, Ontario, Canada; Institute of Health Policy, Management and Evaluation, University of Toronto, Ontario, Canada.