1 Department of Obstetrics & Gynaecology (Sobel), Sinai Health System; Department of Obstetrics & Gynaecology (Sobel), Women's College Hospital; Department of Obstetrics & Gynaecology (Sobel, Simpson, Ferguson), University of Toronto; Department of Obstetrics & Gynaecology (Simpson), St. Michael's Hospital/Unity Health Toronto; Li Ka Shing Knowledge Institute (Simpson), Unity Health Toronto; Division of Gynecologic Oncology (Ferguson), University Health Network/Sinai Health System, Toronto, Ont. Mara.Sobel@sinaihealth.ca.
2 Department of Obstetrics & Gynaecology (Sobel), Sinai Health System; Department of Obstetrics & Gynaecology (Sobel), Women's College Hospital; Department of Obstetrics & Gynaecology (Sobel, Simpson, Ferguson), University of Toronto; Department of Obstetrics & Gynaecology (Simpson), St. Michael's Hospital/Unity Health Toronto; Li Ka Shing Knowledge Institute (Simpson), Unity Health Toronto; Division of Gynecologic Oncology (Ferguson), University Health Network/Sinai Health System, Toronto, Ont.