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Authors
Mou, Anna
Li, Hang
Chen, Xiao-li
Fan, Yang-hua
Pu, Hong
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Article History
Received: 27 March 2021
Accepted: 4 June 2021
First Online: 16 June 2021
Declarations
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: The study was approved by the institutional review board of Sichuan Provincial People’s Hospital, and the requirement for patient consent was waived because of the retrospective nature of the study.
: Not applicable.
: There is no conflict of interest among all authors.
