1. Division of Epidemiology, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
2. MAP Centre for Urban Health Solutions, St Michael’s Hospital, Toronto, Ontario, Canada
3. Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
4. Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada
5. ICES, Toronto, Ontario, Canada
6. Department of Psychiatry, Women’s College Hospital, Toronto, Ontario, Canada
7. Gillings School of Global Public Health, University of North Carolina-Chapel Hill, Chapel Hill
8. Keenan Research Centre, St Michael’s Hospital, Toronto, Ontario, Canada
9. Department of Obstetrics and Gynaecology, St Michael’s Hospital, Toronto, Ontario, Canada