?:authorAffiliation
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[\'Department of Obstetrics and Gynecology, Columbia University Medical Center, 622 West 168th St. PH 16-29, New York, NY 10032 United States. Electronic address: ss5358@cumc.columbia.edu.\', \'Department of Obstetrics and Gynecology, Columbia University Medical Center, 622 West 168th St. PH 16-29, New York, NY 10032 United States.\']
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