Funding for this research was provided by:
State Key Laboratory of Respiratory Disease (SKLRD-QN-201710)
Natural Science Foundation of Guangdong Province (2018A030313107)
Guangzhou Institute of Respiratory Health (2019GIRHZ04)
Received: 13 April 2022
Accepted: 8 November 2022
First Online: 22 November 2022
: The study protocol was approved by the Ethics Committee of the First Affiliated Hospital of Guangzhou Medical University (approval number: 2021 K-01), which also granted administrative permission to access the clinical data used in the study. Informed consent was waived by this committee due to the retrospective nature of the study.
: Not applicable.
: The authors declare that they have no competing interests.