Funding for this research was provided by:
Social Science Planning Project of Shandong Province (22DGLJ33)
Article History
Received: 7 November 2023
Revised: 8 March 2024
Accepted: 11 March 2024
First Online: 21 March 2024
Declarations
:
: Not applicable.
: Yes.
: The author declare that he has no competing interests.