1. Fudan University, 12478, Shanghai, China
2. National Clinical Research Center for Respiratory Diseases, Center for Respiratory Diseases, China－Japan Friendship Hospital; Department of Pulmonary and Critical Care Medicine, China－Japan Friendship Hospital; Peking University Health Science Center, Beijing, China
3. China-Japan Friendship Hospital, Beijing, China
4. School of Public Health, Fudan University, Shanghai, China
5. Shanxi Dayi Hospital, Taiyuan, China
6. The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
7. Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Department of Respiratory and Critical Care Medicine, Wuhan, China
8. Guizhou Provincial People’s Hospital, Guiyang, China
9. Zhongshan Hospital, Fudan University, Pulmonary medicnie, Shanghai, China
10. The First Hospital of China Medical University, Shenyang, China
11. State Key Laboratory of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
12. Zhejiang University School of Medicine, Respiratory and Critical Care Medicine, Hangzhou, China
13. State Key Lab for Respiratory Diseases, Guangzhou, China
14. West China Hospital of Sichuan University, Chengdu, China
15. Capital Medical University, 12517, Department of Pulmonary and Critical Care Medicine, Beijing Chao-Yang Hospital, Beijing, China
16. Peking University,Third Hospital, Respiratory Department, Beijing, China
17. Beijing Hospital, 117555, Beijing, China
18. Chinese Academy of Medical Sciences and Peking Union Medical College Institute of Basic Medical Sciences, 196536, Beijing, China
19. Beijing Chao-Yang Hospital, 74639, Beijing, China
20. China-Japan Friendship Hospital, 36635, Beijing, China
21. National Center of Gerontology, Beijing, China
22. The First Affiliated Hospital of Xi’an Jiaotong University, xi'an, China
23. Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
24. Zhongshan Hospital, Fudan University, Department of Pulmonary medicnie, Shanghai, China
25. The First Hospital of China Medical University, 159407, Department of Pulmonary and Critical Care Medicine, Shenyang, China
26. The First Affiliated Hospital, Guangzhou Medical University, Guangzhou Institute of Respiratory Diseases, State Key Laboratory of Respiratory Diseases, The First Affiliated Hospital, Department of Laboratory Medicine, Guangzhou, China
27. Zhejiang University School of Medicine Second Affiliated Hospital, 89681, Hangzhou, China
28. Sichuan University West China Hospital, 34753, Chengdu, China
29. Beijing Hospital, Department of Pulmonary and Critical Care Medicine, Beijing, China
30. Beijing Hospital, Beijing Institute of Geriatrics, Beijing, China
31. Beijing Chao-Yang Hospital, Department of Pulmonary and Critical Care Medicine, Beijing, China
32. Beijing Institute of Respiratory Diseases, 74699, Department of Pulmonary and Critical Care Medicine, Beijing, China
33. Beijing Children's Hospital, 117984, Beijing, China
34. Peking Union Medical College School of Basic Medicine, 196536, Beijing, China
35. Beijing Chao Yang Hospital,Capital Medical University, Beijing Institute of Respiratory Medicine, Beijing, China
36. Beijing Institute of Respiratory Medicine, Beijing, China
37. Beijing Chao-Yang Hospital, Beijing Institute of Respiratory Medicine, Capital Medical University, Beijing, China
38. Tongji Medical College, HUST, Institute of Occupational Medicine, Wuhan, China
39. Tulane University School of Public Health and Tropical Medicine, Epidemiology, New Orleans, Louisiana, United States
40. Harvard University, 1812, Cambridge, Massachusetts, United States
41. Fudan University, 12478, Department of Environmental Health, Shanghai, China
42. Beijing Chaoyang Hospital-Affiliate of Capital University of Medical Sciences, Beijing, China;