Funding for this research was provided by:
Innovative Research Group Project of the National Natural Science Foundation of China (81500190)
Scientific and Innovative Action Plan of Shanghai (SHDC12019X20)
Shanghai Municipal Population and Family Planning Commission (20184Y0100, 2020YJZX0124)
Received: 30 January 2021
Accepted: 23 August 2021
First Online: 15 October 2021
: The authors declare there is no conflict of interest in the current study.