- Address correspondence and reprint requests to Yong Fang, PhD, MD, Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, Hubei 430030, China. E-mail: .
- Received April 23, 2014
- Accepted July 13, 2014
- First published October 1, 2014.
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