Zhu, Weiqiang
Gu, Yan
Li, Min
Zhang, Zhaofeng
Liu, Junwei
Mao, Yanyan
Zhu, Qianxi
Zhao, Lin
Shen, Yupei
Chen, Fujia
Xia, Lingjin
He, Lin
Du, Jing
Funding for this research was provided by:
National Natural Science Foundation of China (81701445, 82171655)
Article History
Received: 6 May 2022
Accepted: 12 August 2022
First Online: 23 August 2022
Declarations
:
: All subjects gave their informed consent for inclusion before they participated in the study. The study was conducted in accordance with the Declaration of Helsinki, and the protocol was approved by the Ethics Committee of Shanghai Institute of Planned Parenthood Research.
: Not applicable.
: The authors declare that they have no competing interests.