Funding for this research was provided by:
National Statistical Science Planning Project (2024LY100)
Article History
Received: 18 November 2025
Accepted: 1 April 2026
First Online: 9 April 2026
Declarations
:
: We followed the ethical guidelines as stated in the Declaration of Helsinki and its later amendments. Ethical approval for this research was granted by the Ethics Review Committee of Guangdong University of Finance & Economics (ethics approval No. 2024LLSC0012), and informed consent was obtained from all participants.
: Not applicable.
: The authors declare no competing interests.