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Authors
Li, Yubo http://orcid.org/0000-0002-3657-9515
Cheng, Xiaokang http://orcid.org/0000-0002-9709-2428
Chen, Bin
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Funding
Funding for this research was provided by:
Health Commission of Hebei Province (NO: 20210560)
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Article History
Received: 11 March 2022
Accepted: 4 March 2023
First Online: 9 March 2023
Declarations
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: This retrospective study was approved by the Ethics Committee of our hospital, and written informed consent was obtained from participants prior to data collection. This study was conducted in accordance with the Declaration of Helsinki.
: Written informed consent was obtained from all participants.
: None of the authors have competing interests (e.g., regarding employment, consultancies honoraria, stock ownership or options, grants, contracts, and patents received or royalties) to declare. The authors report that there are no conflicts of interest concerning the materials or methods used in this study or the findings specified in this paper.
