?:authorAffiliation
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[\'Columbia University Irving Medical Center, Department of Obstetrics and Gynecology, Division of Family Planning and Preventive Services, 622 West 168th St, PH 16-69, New York, NY 10032, United States. Electronic address: nf2466@cumc.columbia.edu.\', \'Columbia University Irving Medical Center, Department of Obstetrics and Gynecology, Division of Family Planning and Preventive Services, 622 West 168th St, PH 16-69, New York, NY 10032, United States.\']
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