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Authors
Chen, Zhi
Yao, Zhipeng
Wu, Chengjian
Wang, Guohua
Liu, Wenge
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Article History
Received: 9 November 2021
Revised: 28 January 2022
Accepted: 30 January 2022
First Online: 5 February 2022
Declarations
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: This study was conducted in accordance with the ethical standards and approved by our Institutional Review Board, as it was a retrospective study using anonymized data, so the requirement for informed consent and formal ethics approval was waived. All methods were performed in accordance with the relevant guidelines and regulations.
: The authors declare no competing interests.
