1. Department of Pediatrics and University of Toronto Faculty of Medicine, Toronto, Ontario, Canada.
2. Department of Psychology and The Hospital for Sick Children, Toronto, Ontario, Canada.
3. Department of Psychiatry, University of Toronto Faculty of Medicine, Toronto, Ontario, Canada.
4. Department of Psychiatry, The Hospital for Sick Children, Toronto, Ontario, Canada.
5. Divisions of Adolescent Medicine and Department of Pediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada.
6. Divisions of Endocrinology, Department of Pediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada.