Wang, Sujuan
Zhang, Yali
Zhang, Yaming
Sun, Ying
Funding for this research was provided by:
Hebei Provincial Department of Human Resources and Social Security (HB20XW012)
Research Project of Tianjin Municipal Education Commission (2017SK171)
Article History
Accepted: 13 January 2024
First Online: 30 January 2024
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 included in the study.
: The authors declare that they have no conflict of interest.