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Article History

Received: 24 February 2025

Accepted: 15 January 2026

First Online: 23 January 2026

Competing interests

: The author declares no competing interests.

: All study procedures were approved by the Academic Committee of Leshan Normal University in March 2023(Approval No. 1182021). The research protocols conformed to the ethical principles outlined in the Declaration of Helsinki.All participants were informed of the content of the study and were assured that it would cause no harm to them.

: Written assent and informed consent were obtained from all participants and their parents or legal guardians.informed consent time:September 2023.This is a non-interventional study and will not cause any harm to the participants. The anonymity of the participants will be guaranteed. All participants and their legal guardians have been informed of the reasons for conducting the study and the way the data will be used. There is no risk for all participants and this study is absolutely safe.