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Authors
Hu, Ting
Wu, Rong
He, Xi
Hua, Zi-Yu
Peng, Tian-Li
Peng, Xiao-Yan
Li, Shi-Ming
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Article History
Received: 1 May 2025
Accepted: 9 July 2025
First Online: 31 July 2025
Declarations
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: was obtained from the Ethics Committee of Peking University Third Hospital Yanqing Hospital (number: 20223200101). Our research complied with the Declaration of Helsinki, and all procedures in this study were carried out in accordance with the regulations of the ethics committee of Peking University Third Hospital Yanqing Hospital (approval). All the students in grades 1–5 were invited to participate voluntarily, and their guardians signed an informed consent form.
: Not applicable.
: The authors declare no competing interests.
