1. Women’s College Research Institute, Women’s College Hospital, Toronto, ON M5S 1B2, Canada
2. Dalla Lana School of Public Health, University of Toronto, Toronto, ON M5T 3M7, Canada
3. Division of Oncological Sciences, Knight Cancer Institute, Oregon Health and Sciences, Portland, OR 97201, USA
4. Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C4, Canada
5. Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Toronto, Toronto, ON M5G 1E2, Canada
6. Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, ON M5G 1X5, Canada
7. Public Health Ontario, Toronto, ON M5G 1M1, Canada
8. Department of Chronic Disease Epidemiology, Yale School of Public Health, New Haven, CT 06520, USA