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Authors
Wang, Xuemin
Sheng, Yuguo
Wang, Zhu
Wang, Wenming
Xia, Fengfei
Zhao, Mengpeng
Han, Xinqiang https://orcid.org/0000-0003-2434-5487
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Article History
Received: 2 July 2021
Accepted: 30 November 2021
First Online: 14 December 2021
Declarations
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: All procedures performed involving human participants according to the declaration of Helsinki principles. The study was approved by Binzhou Medical University hospital’s ethics committee (Ethics Approval No. 2021-013) and individual consent for this retrospective analysis was waived.
: Not applicable.
: The authors declare that they have no conflict of interest.
