Funding for this research was provided by:
Key laboratory of capital medical university open research project and Beijing Tuberculosis & Thoracic Tumor Research Institute cultivation project, Beijing Hospital Authority Youth Programme (QML20171602)
Tongzhou District’s Two Supreme Talent (YH201911)
13th Five National Major Scientific and Technological Projects (2017ZX09304009)
Received: 20 March 2020
Accepted: 15 October 2020
First Online: 24 October 2020
Ethics approval and consent to participate
: This research has been granted by Beijing Chest Hospital affiliated to Capital Medical University Ethics Committee and complied with Ethical Standards, and informed consent was approved by every respondent.
: This research including all the paper detail, data, tables and images was consented by all the authors and respondents in this paper for publication. And they will be freely available on the internet.