Song, Jinhua
Wang, Haorong
Yang, Yunqi
Xiao, Zuohui
Lin, Haibao
Jin, Lichun
Xue, Yan
Lin, Mingli
Chen, Fuyu
Zhu, Mengqi
Zhao, Yanhong
Qiu, Zhongjun
Li, Yanqiu
Zhang, Xu
Funding for this research was provided by:
National Natural Science Foundation of China (81571016)
National Natural Science Foundation of China (31300798)
Key Scientific and Technological Project of Tianjin Health and Family planning Commission (16KG114)
Article History
Received: 15 December 2017
Accepted: 26 May 2018
First Online: 11 June 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.