1. Department of Obstetrics and Gynecology, McMaster University, Hamilton, Ontario, Canada.
2. Department of Obstetrics and Gynecology, Penn State Health, Hershey, Pennsylvania, USA.
3. Wake Forest Health, Center for Fertility, Endocrine and Menopause, Winston-Salem, North Carolina, USA.
4. Department of Obstetrics and Gynecology, Columbia University Medical Center/New York-Presbyterian Hospital, New York, New York, USA.
5. Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA.