Xue, Anwei
Yuan, Wei
Gao, Xiaodong
Fang, Yong
Shu, Ping
Xu, Chen
Li, He
Xu, Yifang
Song, Qi
Hou, Yingyong
Shen, Kuntang
Funding for this research was provided by:
Shanghai Municipal Population and Family Planning Commission (NO. 2015ZB0201)
Chongqing Science and Technology Commission (14411970000)
Article History
Received: 11 November 2018
Accepted: 24 January 2019
First Online: 28 March 2019
Compliance with ethical standards
:
: All the authors listed have approved the manuscript and no conflict of interest exists
: Study approval was obtained from the institutional review board at Zhongshan Hospital, Fudan University.