Li, Yan
Zhou, Jinhua
Wang, Juan
Chen, Xiaoping
Zhu, Yan
Chen, Youguo
Funding for this research was provided by:
National Natural Science Foundation of China (81672560)
National Natural Science Foundation of China (81772773)
National Natural Science Foundation of China (81302275)
Jiangsu Provincial Medical Youth Talent (QNRC2016753)
Jiangsu Provincial Commission of Health and Family Planning (FYX201709)
Article History
Received: 17 December 2019
Accepted: 5 March 2020
First Online: 10 March 2020
Ethics approval and consent to participate
: Not applicable.
: Manuscript is approved by all authors for publication.
: No conflict of interest exits in this manuscript.