1. Department of pulmonary and Critical Care Medicine, Guangzhou Institute of Respiratory Health, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, State Key Laboratory of Respiratory Diseases The First Affiliated Hospital of Guangzhou Medical University Guangzhou China
2. Department of Respiratory Medicine The Affiliated Hospital of Inner Mongolia Medical University Huhhot China
3. Department of Respiratory Medicine, Xinqiao Hospital Army Military Medical University Chongqing China
4. Department of Respiratory Medicine The Second Affiliated Hospital of Zhejiang University School of Medicine Hangzhou China
5. Department of Respiratory Medicine Zhongshan Hospital Shanghai China
6. Department of Respiratory Medicine, Ruijin Hospital Shanghai Jiaotong University School of Medicine Shanghai China
7. Department of Respiratory Medicine Shanghai Tongji Hospital Shanghai China
8. Department of Respiratory Medicine The First Affiliated Hospital of PLA General Hospital Beijing China
9. Department of Respiratory, Nanjing First Hospital Nanjing Medical University Nanjing China
10. AstraZeneca Shanghai China
11. Department of Respiratory Medicine The First Hospital of China Medical University Shenyang China
12. Department of Respiratory Medicine The First People's Hospital of Yunnan Province Kunming China
13. Department of Respiratory Medicine Jiangsu Province Hospital Nanjing China
14. Department of Respiratory Medicine Shanghai Pulmonary Hospital Shanghai China
15. Department of Respiratory Medicine Beijing Chao‐Yang Hospital Beijing China
16. Department of Respiratory Medicine Shanghai General Hospital Shanghai China
17. Department of Respiratory Medicine Guizhou Province People's Hospital Guiyang China
18. Department of Respiratory Medicine, Tongji Hospital, Tongji Medical College Huazhong University of Science and Technology Wuhan China
19. Department of Respiratory Medicine, Beijing Friendship Hospital Capital Medical University Beijing China
20. Department of Respiratory Medicine The Third Xiangya Hospital of Central South University Changsha China
21. Department of Respiratory Medicine Qingdao Municipal Hospital Qingdao China
22. Department of Respiratory Medicine Peking University Third Hospital Beijing China
23. Department of Respiratory Medicine Nanfang Hospital of Southern Medical University Guangzhou China
24. Department of Respiratory Medicine The General Hospital of Shenyang Military Shenyang China
25. Department of Respiratory Medicine Weifang Asthma hospital Weifang China
26. Department of Respiratory Medicine Peking University First Hospital Beijing China
27. Department of Respiratory Medicine The Second Xiangya Hospital of Central South University Changsha China
28. College of Pulmonary and Critical Care Medicine Chinese PLA General Hospital Beijing China
29. Department of Respiratory Medicine China‐Japan Friendship Hospital Beijing China
30. Department of Respiratory Medicine The First Hospital of Changsha Changsha China
31. Department of Respiratory Medicine Navy General Hospital Beijing China
32. National Heart and Lung Institute Imperial College London, & Royal Brompton & Harefield NHS Foundation Trust London SW3 UK