Funding for this research was provided by:
Chinese Academy of Medical Science (CAMS) Initiative for Innovative Medicine (2016-I2M-1-002)
Chinese Academy of Medical Science (CAMS) Innovation Fund for Medical Sciences (2019-I2M-2-002)
CSCO-PILOT Cancer Research Foundation (Y-2019AZMS-0492)
Beijing Natural Science Foundation (7194304)
Received: 7 January 2021
Accepted: 18 May 2021
First Online: 7 June 2021
: The study was approved by Institutional Ethics Committee of Peking Union Medical College Hospital. All patients provided consent to the use of their residual samples for research purposes.
: Not applicable.
: The authors declare that they have no competing interests.