Li, Jingjing
Article History
Received: 30 October 2025
Accepted: 22 December 2025
First Online: 5 January 2026
Declarations
:
: The study protocol was reviewed and approved by the North University of China and all procedures followed were conducted in accordance with the Helsinki Declaration. All parents or legal guardians of the participants had signed informed consent, and they were fully informed about the purpose of the study, procedures, potential risks, confidentiality measures, and the right to unconditionally withdraw at any time.
: Not applicable.
: The authors declare no competing interests.