1. Institute for Mental Health Policy Research, Centre for Addiction and Mental Health, Toronto, Ontario, Canada.
2. Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada.
3. Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, Ontario, Canada.
4. Controlled Substances Directorate, Health Canada, Ottawa, Ontario, Canada.
5. Research and Evaluation Office, Ontario Ministry of Transportation, Toronto, Ontario, Canada.
6. Institute of Medical Science, University of Toronto, Medical Sciences Building, Toronto, Ontario, Canada.
7. Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada.
8. Waypoint Centre for Mental Health Care, Penetanguishene, Ontario, Canada.
9. Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada.
10. Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada.