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Authors
Zhou, Yangwen
Mu, Yi
Chen, Peiran
Xie, Yanxia
Zhu, Jun
Liang, Juan
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Article History
Received: 2 December 2020
Accepted: 26 March 2021
First Online: 5 May 2021
Declarations
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: This study was approved by the Ethics Review Committee of West China Second University Hospital, Sichuan University, and conducted in accordance with the principles of the Declaration of Helsinki. Because of the retrospective design of this study, the Ethics Review Committee of West China Second University Hospital, Sichuan University has waived the requirement of the informed consent for this study.
: Not applicable.
: The authors declare that they have no conflicts of interest.
