Xu, Jichong
Fang, Chun
Funding for this research was provided by:
the Shanghai Health and Family Planning Commission General Program (No. 20174Y0095)
Article History
Received: 10 September 2022
Accepted: 12 December 2022
First Online: 30 January 2023
Declarations
:
: The study included human participants. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee, as well as the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Ethical approval was given by the Ethics Committee of Tongji Hospital of Tongji University, Shanghai, China (No, tj20170216–21). All patients gave their written informed consent.
: Not applicable.
: All the authors declare that they have no conflict of interest.