Yang, Feifei
Wu, Zhaoxian
Dai, Dan
Zhang, Lei
Zhang, Xiuqun
Zhang, Xuezhong
Xu, Yanli http://orcid.org/0000-0002-4371-325X
Funding for this research was provided by:
National Natural Science Foundation of China (grant 82000160)
Nanjing Municipal Committee for Health and Family Planning (YKK15087, ZKX17025)