1. Department of Obstetrics and Gynecology, University of Toronto, Toronto, ON, Canada M5G 0A3
2. Department of Ophthalmology and Vision Sciences, Princess Margaret Hospital, University of Toronto, Toronto, ON, Canada M5G 2M9
3. Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Princess Margaret Hospital, University of Toronto, Toronto, ON, Canada M5G 2M9