1. Cundill Centre for Child and Youth Depression Centre for Addiction and Mental Health Toronto ON Canada
2. Department of Psychiatry University of Toronto Toronto ON Canada
3. Hospital for Sick Children Toronto ON Canada
4. Faculty of Biology, Medicine and Health University of Manchester Manchester UK
5. Division of Psychology and Language Sciences University College London London UK
6. Department of Psychiatry University of Cambridge Cambridge UK
7. Research Department of Clinical, Educational and Health Psychology University College London LondonUK
8. School of Psychology and Clinical Language Sciences University of Reading Reading UK