1. Epidemiology and Biostatistics, Schulich School of Medicine & DentistryThe University of Western Ontario London ON Canada
2. Faculty of Health SciencesSimon Fraser University Burnaby British Columbia Canada
3. Factor‐Inwentash Faculty of Social WorkUniversity of Toronto Toronto Ontario Canada
4. Women's College Research InstituteWomen's College Hospital Toronto Ontario Canada
5. School of Social WorkUniversity of Michigan Ann Arbor Michigan USA
6. British Columbia Centre on Substance UseSt. Paul's Hospital Vancouver BC Canada
7. Department of MedicineUniversity of British Columbia Vancouver BC Canada
8. Vancouver Coastal Health Vancouver British Columbia Canada
9. Epidemiology and Population Health ProgramBritish Columbia Centre for Excellence in HIV/AIDS Vancouver British Columbia Canada
10. Faculty of MedicineUniversity of Toronto Toronto Ontario Canada
11. Dalla Lana School of Public HealthUniversity of Toronto Toronto Ontario Canada