- Address correspondence and reprint requests to Yi Ding Chen, MD, PhD, Department of Surgery, Women’s Hospital, School of Medicine, Zhejiang University, 1, Xueshi Rd, Hangzhou, Zhejiang 310006, China. E-mail: .
- Received June 2, 2012
- Accepted October 3, 2012
- First published January 1, 2013.
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