- Address correspondence and reprint requests to Jeong-Won Lee, MD, PhD, Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul 135-710, Korea. E-mail: .
- Received March 13, 2014
- Accepted May 8, 2014
- First published September 1, 2014.
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