1. Ontario Tobacco Research Unit, University of Toronto, Toronto, Canada
2. Dalla Lana School of Public Health, University of Toronto, Toronto, Canada
3. Centre for Addiction and Mental Health, Toronto, Canada
4. Canadian Institutes of Health Research, Ottawa, Canada
5. School of Pharmacy, Faculty of Science, University of Waterloo, Waterloo, Canada
6. Factor-Inwentash Faculty of Social Work, University of Toronto, Toronto, Canada
7. Centre for Gender, & Sexual Health Equity, Vancouver, British Columbia, Canada
8. Haliburton, Kawartha, Pine Ridge District Health Unit, Ontario, Canada