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Authors
Li, Jikai
Zhang, Jingyu
Zhang, Xiaozhao
Lun, Dengxing
Li, Ruifeng
Ma, Rongxing
Hu, Yongcheng https://orcid.org/0000-0002-9846-6735
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Article History
Received: 7 November 2022
Revised: 17 February 2023
Accepted: 10 March 2023
First Online: 28 April 2023
Declarations
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: There are no financing or financial conflicts of interest to disclose.
: This study was conducted following the declaration of Helsinki. In view of the retrospective nature of the study, the six institutions (Tianjin Hospital, Tianjin Medical University Cancer Institute and Hospital, Third Hospital of Hebei Medical University, the 960th Hospital of PLA Joint Logistics Support Force, Guangdong Provincial People's Hospital, and The Second Affiliated Hospital, Zhejiang University School of Medicine) unanimously approved the study protocol, and required neither patient approval nor informed consent to review patients’ medical records.
