Funding for this research was provided by:
the National Natural Science Foundation of China (72172032)
Liaoning Soft Science Foundation Think Tank Expert Project (2022JH4/10100003)
Natural Science Foundation of Hebei Province (G2021501006)
Article History
Accepted: 29 November 2022
First Online: 12 January 2023
Declarations
:
: 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.
: Informed consent was obtained from all individual participants involved in the study.
: The authors declare that they have no conflict of interest.