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Authors
Zou, Wenjing
Li, Xu
Li, Cheng
Liu, Dan
Lv, Yanyan
Yang, Ying
Ye, Nan
Guo, Dan
He, Shuixiang
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Article History
Received: 10 June 2019
Accepted: 13 January 2020
First Online: 20 January 2020
Ethics approval and consent to participate
: The study described was approved by the Shaanxi Provincial Cancer Hospital ethics committee. All procedures performed in studies involving human participants were in accordance with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. All participants were informed in writing and verbally of the procedures and purpose of this study, and signed written informed consent forms.
: Not Applicable.
: The authors declare that they have no conflict of interest.
