1. Youth Research Unit, University of Ottawa Institute of Mental Health Research at The Royal, Ottawa, Ontario, Canada
2. Department of Neuroscience, Carleton University, Ottawa, Ontario, Canada
3. Faculty of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
4. Department of Psychiatry, McGill University, Montréal, Québec, Canada
5. Centre for Surveillance and Applied Research, Public Health Agency of Canada, Ottawa, Ontario, Canada
6. Faculty of Education, University of British Columbia, Vancouver, British Columbia, Canada