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Authors
Li, Hongjing
Liu, Chunyuan
Shen, Xiping
Nan, Yingdong
Feng, Liya
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Article History
Received: 15 December 2023
Accepted: 6 May 2024
First Online: 13 May 2024
Declarations
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: The study was carried out after the protocol was approved by the School of Public Health, Lanzhou University(IRB23053101). I confirm that all methods were performed in accordance with the relevant guidelines. All procedures were performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments, and informed consent was obtained from all participants.
: Not applicable.
: The authors declare no competing interests.
