- Address correspondence and reprint requests to Jinhua Leng, MD, PhD, Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China 100730. E-mail: email@example.com.
- Received April 21, 2015
- First published March 1, 2016.
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.