1. Cundill Centre for Child and Youth Depression, Centre for Addiction and Mental Health, Hospital for Sick Children, University of Toronto Toronto ON Canada
2. Department of Psychiatry School of Medicine, Universidade Federal do Rio Grande do Sul, and Child & Adolescent Division, Hospital de Clínicas de Porto Alegre Porto Alegre Brazil
3. Faculty of Biomedical Sciences, Università della Svizzera Italiana, Lugano, and Department of Health and Social Care Repubblica e Cantone Ticino Mendrisio Switzerland
4. Centre for Children and Youth Mental Health and Child Welfare, Central Norway, and Norwegian University of Science and Technology Trondheim Norway
5. University of Chicago Chicago IL USA