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Authors
Li, Ruifen
Zhao, Xiaohong
Tian, Yu
Shi, Yanjun
Gu, Xueyan
Wang, Shuang
Zhang, Rui
An, Jing
Su, Li
Wang, Xuxia
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Funding
Funding for this research was provided by:
national natural science foundation of China (82060614)
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Article History
Received: 21 July 2022
Accepted: 10 February 2023
First Online: 23 February 2023
Declarations
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: The study was approved by the Ethics Committee of the Gansu Provincial Center for Disease Control and Prevention (Approval number: 2020011). The study was carried out following the declaration of Helsinki, and written informed consent provided by the patients for the study was waived by the Ethics Committee of the Gansu Provincial Center for Disease Control and Prevention.
: Not applicable.
: The authors have no competing interests to declare.
