- Address correspondence and reprint requests to Xia Zhao, MD, Department of Gynecology and Obstetrics, West China Second Hospital, Sichuan University, No. 20, Section 3, South People’s Road, Chengdu 610041, Sichuan, People’s Republic of China. E-mail: , .
- Received October 25, 2014
- Accepted May 13, 2015
- First published September 1, 2015.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.