Wang, Wei
Su, Yang
Wu, Chunyan
Sun, Yuxi
Dai, Neng
Chen, Wei
Zhang, Jie
Xu, Yawei
Brindis, Ralph G.
Xu, Dachun
Funding for this research was provided by:
National Natural Science Foundation of China (81471402, 81872720, 81501203)
Shanghai Municipal Population and Family Planning Commission (201840066)
Article History
Received: 16 September 2019
Accepted: 16 January 2020
First Online: 3 February 2020
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.