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Authors
Geng, Zhuang
Wang, Xiang
Hao, Shiyuan
Dong, Bingzi
Huang, Yajing
Wang, Yangang
Xu, Lili
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Article History
Received: 30 August 2021
Accepted: 18 October 2021
First Online: 6 November 2021
Declarations
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: The research was performed after the approval of the local ethics committee of The Affiliated Hospital of Qingdao University and performed in accordance with the Declaration of Helsinki. Word written informed consent was also obtained from all subjects to be included in the research.
: Not applicable.
: The authors report no conflicts of interest in this work.
