Pan, Xuejiao
Qi, Xiaohua
Chen, Yaping
Liang, Hui
Article History
Received: 9 October 2024
Accepted: 3 April 2025
First Online: 15 April 2025
Declarations
:
: Ethical approval was obtained from the Ethics and Research Committees of Zhejiang CDC (approval number: 2021-002-07, approval date: 2021-11-08). Due to the study’s observational nature and the use of a de-identified dataset, informed consent was waived by the Ethics and Research Committees of Zhejiang CDC. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: NA.
: The authors declare no competing interests.