- Correspondence to Dr Lisa M Nathan, Department of Obstetrics & Gynecology and Women's Health, Albert Einstein College of Medicine, 1300 Morris Park Ave, Rm 628, Bronx, NY 10461, USA;
- Received November 19, 2014
- Revised July 23, 2015
- Accepted October 5, 2015
- First published October 27, 2015.
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