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Authors
Chen, Xiaojie
Lu, He
Chen, Yingwei
Sang, Haiqiang
Tang, Yi
Zhao, Yifan
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Article History
Received: 26 April 2023
Accepted: 10 August 2023
First Online: 8 September 2023
Declarations
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: The protocol was approved by the Institutional Review Board of National Center for Health Statistics and no new data was added.
: Not Applicable.
: The authors have nothing to disclose regarding conflict of interest with respect to this manuscript.
