1 Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Princess Margaret Cancer Centre, University of Toronto, Toronto, Canada.
2 Department of Obstetrics and Gynecology, University of Toronto, Toronto, Canada.
3 Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Princess Margaret Cancer Centre, University of Toronto, Toronto, Canada; University Health Network, Sinai Health Systems, 700 University Ave., Rm 6-911, Toronto, Canada M5G2M9. Electronic address: Sarah.Ferguson@uhn.ca.