Funding for this research was provided by:
Science and Technology Commission of Shanghai Municipality (19411965900)
Received: 8 June 2020
Accepted: 20 August 2020
First Online: 27 August 2020
Ethics approval and consent to participate
: Both involved institution committees approved this study (Ethics Committee of Fudan University Shanghai Cancer Center, Ethics Committee of Shanghai Chest Hospital). Both ethics committee did not permit data-sharing. Informed consent was waived by the institutional review boards because this was a retrospective study.
: Not applicable.
: The authors declare that they have no competing interests.