Funding for this research was provided by:
National Natural Science Foundation of China (81802994)
National Natural Science Foundation of China (NSFC)/Research Grants Council (RGC) Joint Research Scheme (81761168038)
Beijing Municipal Administration of Hospitals’ Mission Plan (SML20180501)
Text and Data Mining valid from 2020-01-06
Received: 4 September 2019
Accepted: 29 November 2019
First Online: 6 January 2020
Ethics approval and consent to participate
: All these tissues and clinicopathological information were obtained from Beijing Tiantan Hospital and collected with informed consent. The study was approved by the Tiantan Hospital Institutional Review Board and kept consistent with the principles of the Helsinki Declaration.
: Not applicable.
: The authors declare that they have no competing interests.