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Authors
Liu, Lijue
Wu, Xiaoyu
Li, Shihao
Li, Yi
Tan, Shiyang
Bai, Yongping
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Article History
Received: 4 October 2021
Accepted: 21 March 2022
First Online: 28 March 2022
Declarations
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: The study was conducted in accordance with the Declaration of Helsinki (as revised in 2013). The study was approved by the ethics board of Xiangya Hospital, Central South University (201502042). This study is a retrospective study, all data were desensitized data from hospital’s electronic medical records, which did not contain patient identification information, and the consent was waived.
: Not applicable.
: The authors declare that they have no competing interests.
