Funding for this research was provided by:
Department of Education of Guangdong Province (2020WTSCX015)
Article History
Accepted: 3 July 2023
First Online: 19 July 2023
Compliance with Ethical Standards
:
: The authors have no conflict of interest to disclose.
: All study procedures were approved by the ethics review board at Sun Yat-sen University.
: Informed consent was obtained from parents before data were collected.