1. Schulich Heart Centre, Division of Cardiology, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada
2. Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada
3. Institute for Health Policy Management and Evaluation, University of Toronto, Toronto, Ontario, Canada
4. Social and Epidemiological Research Department, Centre for Addiction and Mental Health, Toronto, Ontario, Canada
5. Department of Psychiatry and Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada
6. Sunnybrook Research Institute, University of Toronto, Toronto, Ontario, Canada