1. University of Toronto (O.N., J.K., M.P., A.B., I.C.), Toronto, Ontario, Canada M5S 1A8
2. Department of Obstetrics and Gynecology (O.N.), Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada M4N 3M5
3. Samuel Lunenfeld Research Institute (O.N., J.X., A.M., J.K., A.B., I.C.), Mount Sinai Hospital, Toronto, Ontario, Canada M5G 1X5
4. Department of Obstetrics and Gynecology (O.N., J.K., A.B., I.C.), Mount Sinai Hospital, Toronto, Ontario, Canada M5G 1X5
5. Department of Obstetrics and Gynecology (T.T., E.P.), University of Turin, 10124 Turin, Italy
6. Department of Obstetrics, Gynecology, and Women’s Health (S.Z.), New Jersey Medical School, Newark, New Jersey 07101
7. Department of Physiology (M.P., A.B., I.C.), Toronto, Ontario, Canada M5S 1A8
8. Hospital for Sick Children (M.P.), Toronto, Ontario, Canada M5G 1X8