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Authors
Xu, Rongrong
Song, Yingquan
Guan, Weihe
Rohloff, Peter
Lu, Chunling
- License Information
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Article History
Received: 6 January 2025
Accepted: 1 August 2025
First Online: 28 August 2025
Declarations
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: The study was approved by the Institutional Review Board of Peking University (IRB00001052-19056) in accordance with the Declaration of Helsinki. All parents of children who participated in the study completed the online informed consent at the beginning of the online survey.
: Not applicable.
: The authors declare no competing interests.
