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Authors
Shang, An
Wang, Shuang
Yang, Yongping
Li, Liping
Zhao, Zeyun
Li, Donglin
Guo, Yu
Wang, Min https://orcid.org/0000-0002-1288-016X
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Article History
Received: 5 January 2021
Accepted: 16 March 2021
First Online: 22 March 2021
Declarations
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: The study protocol was approved by the institutional review board of The Second Hospital of Jilin University. Due to the retrospective design of the study, the local ethic committee confirmed that informed consent was not necessary from participants. The demand of patient informed consent was deserted because of the retrospective nature of this study.
: Not applicable.
: The authors declare that they have no competing interests
