1. Department of Obstetrics, Gynecology, and Reproductive Sciences, University of Manitoba, Women's Hospital, Winnipeg, Manitoba, Canada; Department of Obstetrics, Gynecology, and Reproductive Sciences, University of Manitoba, WS029 Women's Hospital, 735 Notre Dame Avenue, Winnipeg, Manitoba R3E OL8, Canada
2. Department of Obstetrics, Gynecology, and Reproductive Sciences, University of Manitoba, Women's Hospital, Winnipeg, Manitoba, Canada