Article History
Received: 12 January 2021
Accepted: 23 April 2021
First Online: 7 June 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: The protocol for the present study was approved by the Ethics Committee of Shanghai Pulmonary Hospital (Shanghai, China), and it conforms to the provisions of the Declaration of Helsinki in 1995. All participants have provided their written informed consent to participate in the study.