Government of the People's Republic of China - Department of Pulmonary and Critical Care Medicine, Guizhou Provincial People's Hospital - Department of Pulmonary and Critical Care Medicine, China Medical University - Institute of Respiratory Disease, Zhejiang University - Key Laboratory of Respiratory Disease of Zhejiang Province, China Medical University - Institute of Respiratory Disease, China Medical University - Department of Ultrasound, Guizhou Provincial People's Hospital - Department of Ultrasound, Zhejiang University - Department of Ultrasound in Medicine, Government of the People's Republic of China - Department of Ultrasound, China Medical University - Institute of Respiratory Disease, Government of the People's Republic of China - Department of Pulmonary and Critical Care Medicine, Government of the People's Republic of China - Department of Pulmonary and Critical Care Medicine, Guizhou Provincial People's Hospital - Department of Pulmonary and Critical Care Medicine, China Medical University - Department of Epidemiology, Heidelberg University - Thoraxklinik, and Translational Lung Research Center Heidelberg (TLRCH), China Medical University - Department of Respiratory and Critical Care Medicine and Jilin University (JLU) - Department of Respiratory Medicine