Funding for this research was provided by:
National Outstanding Youth Foundation of China (81622001)
National Natural Science Foundation of China (91642108)
China National Funds for Distinguished Young Scientists (81602069)
Received: 14 June 2019
Accepted: 29 May 2020
First Online: 24 June 2020
Ethics approval and consent to participate
: All tumor samples were obtained from patients who signed the informed consent form. This study was approved by the Clinical Research Ethics Committee and Institutional Review Board of Shanghai Pulmonary Hospital affiliated to Tongji University School of Medicine (K18-193). This study was conducted in accordance with the Declaration of Helsinki principles.
: The authors declare no competing interests.