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Authors
Xu, Yuanji
Wu, Zijie
Ye, Wangzhong
Xiao, Youping
Zheng, Wei
Chen, Qinyan
Bai, Penggang
Lin, Zhizhong
Chen, Chuanben
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Article History
Received: 9 March 2021
Accepted: 29 April 2021
First Online: 8 May 2021
Declarations
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: This study is a retrospective observational study and was conducted in accordance with the relevant guidelines, regulations, and the Declaration of Helsinki. The methods and procedures for this study were approved by Fujian Medical University Cancer Hospital institutional review board with a waiver of informed consent (Ref no. SQ2019–018-01).
: Not applicable.
: The authors declare that they have no competing interests.
