?:authorAffiliation
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[\'Columbia University Irving Medical Center, Department of Obstetrics and Gynecology, 622 West 168th ST. PH 16-66, New York, NY 10032, United States; Division of Maternal-Fetal Medicine, Columbia University Irving Medical Center, United States. Electronic address: nmz2110@cumc.columbia.edu.\', \'Columbia University Irving Medical Center, Department of Obstetrics and Gynecology, 622 West 168th ST. PH 16-66, New York, NY 10032, United States.\']
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