Funding for this research was provided by:
National Natural Science Foundation of China (81560382)
Jiangxi Province’s Program of the Preponderant Team Building in Science and Technology Innovation (20161BCB24011)
Key Research and Development Program of Jiangxi Province (20181BBG70017)
Text and Data Mining valid from 2019-03-29
Received: 19 January 2019
Accepted: 25 March 2019
First Online: 29 March 2019
Ethics approval and consent to participate
: Approval for retrospective analysis of the patient data was obtained from the ethics committee of the Jiangxi Cancer Hospital. Because this is a retrospective study, the ethics committee of Jiangxi Cancer Hospital also waived the need for written consent; verbal consent was obtained from the patients via telephone and documented in the informed consent form if the patient agreed to participate in this study.
: Not applicable.
: The authors declare that they have no competing interests.
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