Funding for this research was provided by:
National Natural Science Foundation of China (81672770)
Beijing Municipal Administration of Hospital Clinical Medical Development of Special Funding Support (XM201303)
Beijing Science and Technology Commission (Z151100001615022)
Text and Data Mining valid from 2018-09-24
Received: 12 March 2018
Accepted: 31 August 2018
First Online: 24 September 2018
Ethics approval and consent to participate
: The Institutional Review Boards of the Peking University Cancer Hospital approved this study. All patients gave written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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