Funding for this research was provided by:
National Natural Science Foundation of China (81361120392, 81401404, 81771826)
Natural Science Foundation of Beijing Municipality (7154235)
National Institutes of Health (R01CA166171, R01CA228188)
Text and Data Mining valid from 2018-07-09
First Online: 9 July 2018
Compliance with Ethical Standards
: The authors declare that they have no conflict of interest.