- Address correspondence and reprint requests to Byoung-Gie Kim, MD, PhD, Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul, 135-710, South Korea. E-mail: .
- Received August 16, 2013
- Accepted September 3, 2013
- First published January 1, 2014.
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