1. Beijing Key Laboratory of Respiratory and Pulmonary Circulation Disorders, Department of Respiratory and Critical Care Medicine Beijing Chao‐Yang Hospital‐Beijing Institute of Respiratory Medicine, Capital Medical University Beijing P.R. China
2. Department of Respiratory Medicine Beijing Ditan Hospital, Capital Medical University Beijing P.R. China
3. Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine China–Japan Friendship Hospital, National Clinical Research Centre for Respiratory Medicine Beijing P.R. China
4. Department of Radiology and Image Beijing Chao‐Yang Hospital, Capital Medical University Beijing P.R. China