Funding for this research was provided by:
Beijing Municipal Social Science Foundation (19GLA009)
Article History
Accepted: 20 June 2025
First Online: 21 July 2025
Declarations
:
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants of this study.
: The authors declare no conflict of interest.