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Authors
Li, Zhenhui
Zhu, Haibin
Pang, Xiaolin
Mao, Yun
Yi, Xiaoping
Li, Chunxia
Lei, Ming
Cheng, Xianshuo
Liang, Lei
Wu, Jiamei
Ding, Yingying
Yang, Jun
Sun, Yingshi
Zhang, Tao
You, Dingyun
Liu, Zaiyi
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Article History
Received: 25 April 2022
Accepted: 29 August 2022
First Online: 8 September 2022
Declarations
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: The study protocol was approved by the Ethics Committee of Peking University Cancer Hospital & Institute, the Ethics Committee of Yunnan Cancer Hospital, the Ethics Committee of the Sixth Affiliated Hospital of Sun Yat-sen University, the Ethics Committee of the First Affiliated Hospital of Chongqing Medical University, and the Ethics Committee of the First Affiliated Hospital of Kunming Medical University. The requirement for informed consent was waived by the above-mentioned ethics committees due to the retrospective nature of the study. All data were anonymized. All methods in the study were carried out in accordance with relevant guidelines and regulations (declaration of Helsinki).
: Not applicable.
: The authors have declared that there is no conflict of interest.
