Funding for this research was provided by:
e National Natural Science Foundation of China (81572409)
the Science and Technology project of Guangdong Province (2015A030313010)
Text and Data Mining valid from 2018-09-27
Received: 11 February 2018
Accepted: 14 September 2018
First Online: 27 September 2018
Ethics approval and consent to participate
: This study used a general dataset that selected data SEER from a public health program and therefore did not require institutional review board approval and the patients’ data were atomized.
: Not applicable.
: All authors have no conflicts of interest to declare.
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