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Authors
Liu, Guangyuan
Han, Yongtao
Peng, Lin
Wang, Kangning
Fan, Yu
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Article History
Received: 7 January 2019
Accepted: 13 May 2019
First Online: 28 May 2019
Ethics approval and consent to participate
: Ethics approval for this study was obtained and approved by the ethics committee of Sichuan Cancer Hospital & Institute.
: The patients included in the study provided their informed consent.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
