1 Division of Reproductive Endocrinology and Infertility, Columbia University Medical Center, New York, New York. Electronic address: kdl2112@cumc.columbia.edu.
2 Division of Reproductive Endocrinology and Infertility, Columbia University Medical Center, New York, New York.
3 Division of Reproductive Endocrinology and Infertility, Columbia University Medical Center, New York, New York; Division of Gynecologic Specialty Surgery, Department of Obstetrics and Gynecology, Columbia University Medical Center, New York, New York.