Article History
Accepted: 25 April 2023
First Online: 19 May 2023
Declarations
:
: We declare that we do not have any commercial or associative interest that represents a conflict of interest in connection with the work submitted.
: The authors claim that none of the material in the paper has been published or is under consideration for publication elsewhere.
: CFPS data used in this paper were downloaded from the CFPS official website. ISSS of Peking University in China who have carried out the survey is responsible for the informed consent from the respondents.