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Authors
Shen, Li
Jia, Guangyao
Zhang, Yumin
Xue, Zhiqiang
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Article History
Received: 8 September 2024
Accepted: 25 September 2025
First Online: 11 November 2025
Declarations
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: The studies involving humans were approved by Institutional Review Board (IRB) of Peking University. The studies were conducted in accordance with the local legislation and institutional requirements. Written informed consent for participation was not required from the participants or the participants’ legal guardians/next of kin because The IRB approval number for the main household survey including anthropometrics is IRB00001052-11015, and the IRB approval number for biomarker collection is IRB00001052-11014.Written informed consent for participation was not required for this study in accordance with the national legislation and the institutional requirements.
: Not applicable.
: The authors declare no competing interests.
