- Address correspondence and reprint requests to Jae-Weon Kim, MD, PhD, Department of Obstetrics and Gynecology, College of Medicine, Seoul National University, 101 Daehak-ro, Jongno-gu, 110–744 Seoul, Korea. E-mail: .
- Received December 28, 2015
- Accepted June 5, 2016
- First published October 1, 2016.
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