Zhang, Lu
Li, Ying
Dong, Yi-Chao
Guan, Chun-Yi
Tian, Shi
Lv, Xiao-Dan
Li, Jian-Hui
Su, Xing
Xia, Hong-Fei
Ma, Xu
Funding for this research was provided by:
National Key Research and Development Program of China (2016YFC1000803)
National Natural Science Foundation of China (No. 81771590)
Research fund of National Research Institute for Family Planning (2020GJZ02)
Article History
Received: 30 July 2021
Accepted: 20 December 2021
First Online: 10 January 2022
Competing interests
: The authors declare no competing interests.