- Address correspondence and reprint requests to Hiroshi Kobayashi, MD, PhD, Department of Obstetrics and Gynecology, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8522, Japan. E-mail: .
- Received December 19, 2013
- Accepted February 27, 2014
- First published June 1, 2014.
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