Funding for this research was provided by:
National Natural Science Foundation of China (81272766, 81402346, 81450028, 81672439, 81470129)
Natural Science Foundation of Beijing Municipality (7172042, 7162039, 7132054)
Beijing Health Systerm High-level Health Technical Personnel Training Program (2015-3-074)
Capital's Funds for Health Improvement and Research (CFH 2018-2-2153)
The Beijing Municipal Administration of Hospitals Clinical Medicine Development of Specail Funding Support (ZYLX201701, XM201309)
Text and Data Mining valid from 2018-07-11
Received: 25 April 2018
Accepted: 7 June 2018
First Online: 11 July 2018
Ethics approval and consent to participate
: This study was approved and supervised by the Research Ethics Committee of Peking University Cancer Hospital and Institute, Beijing, China (No. 2016KT37).
: Not applicable.
: The authors declare that they have no competing interests.
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