Document is current

Article History

Received: 13 January 2026

Accepted: 30 April 2026

First Online: 6 May 2026

Declarations

:

: Ethical approvals for the study were secured at the national or regional level, with each country obtaining approval from an ethics review board or an equivalent regulatory body specific to the government, and also approved by the Ethics Committee of Soochow University (SUDA20240626H06). Consent was obtained from participating schools, students, and their guardians. The participant’s legal guardian provided written informed consent to participate in this study. Procedures performed in studies were by the national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Data were collected and analyzed anonymously.

: Not applicable.

: The authors declare no competing interests.