1. Division of Adolescent Medicine, Department of Pediatrics, Montreal Children’s Hospital, McGill University Health Centre, Montreal, Quebec, Canada
2. Division of Pediatric Emergency Medicine, Department of Pediatrics, Montreal Children’s Hospital, McGill University Health Centre, Montreal, Quebec, Canada
3. Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada
4. Section of Adolescent Medicine, Department of Pediatrics, Sainte Justine Hospital, Université de Montréal, Montreal, Quebec, Canada
5. Division of Adolescent Medicine, Department of Pediatrics, McMaster’s Children’s Hospital, McMaster University, Hamilton, Ontario, Canada
6. Section of Adolescent Medicine, Department of Pediatrics, Alberta Children's Hospital, University of Calgary, Calgary, Alberta, Canada
7. Faculty of Social Work, Departments of Pediatrics and Psychiatry, University of Calgary, Calgary, Alberta, Canada
8. Division of Adolescent Medicine, Department of Pediatrics, Janeway Children’s Hospital, Memorial University, St John’s, Newfoundland, Canada
9. Department of Psychiatry, University of British Columbia, and Provincial Specialized Eating Disorders Program for Children and Adolescents, British Columbia Children’s Hospital, Vancouver, British Columbia, Canada