1. Department of Allergy and Clinical Immunology National Clinical Research Center for Respiratory Disease State Key Laboratory of Respiratory Disease Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University Guangzhou China
2. The First People's Hospital of Yibin Yibin Sichuan China
3. The First Affiliated Hospital of Henan University of Traditional Chinese Medicine Zhengzhou Henan China
4. General Hospital of Northern Theater Command Shenyang China
5. Tongji Hospital Tongji Medical College Huazhong University of Science & Technology Wuhan China
6. The Affiliated Hospital of Medical School Ningbo University Ningbo Zhejiang China
7. Foshan First People's Hospital Foshan China
8. Beijing Hospital of Traditional Chinese Medicine Beijing China
9. Guangdong Provincial Hospital of Chinese Medicine Guangzhou China
10. The First Affiliated Hospital of Shandong First Medical University Shandong Institute of Respiratory Diseases Taian China
11. Hangzhou Hospital of Traditional Chinese Hangzhou China
12. The Affiliated Hospital of Qingdao University Qingdao China
13. Hubei Province Maternal and Child Health Hospital Wuhan Hubei China
14. Boai Hospital of Zhongshan City Zhongshan China
15. Xi'an Children's Hospital Shaanxi China
16. The First Affiliated Hospital of Sun‐Yat University Guangzhou China
17. The First Affiliated Hospital of Zhengzhou University Zhengzhou China
18. Children's Hospital of Zhejiang University School of Medicine National Clinical Research Center for Child Health Hangzhou China
19. Hebei General Hospital Hebei China
20. Third Xiangya Hospital of Central South University Changsha China
21. The Women and Children's Hospital Affiliated to Xiamen University Xiamen China
22. Children's Hospital of Nanjing Medical University Nanjing China
23. Union Hospital of Tongji Medical College Wuhan China
24. The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University Wenzhou China
25. Yu Huang Ding Hospital Yantai China
26. The First Hospital of Shanxi Medical University Taiyuan China
27. Shanghai Jiao Tong University Affiliated Sixth People's Hospital Shanghai China
28. Zhujiang Hospital of Southern Medical University Guangzhou China
29. Children's Hospital Capital Institute of Pediatrics Beijing China
30. Chengdu First People's Hospital Foshan China
31. Tangshan Gongren Hospital Hebei China
32. ENT Institute and Department of Otorhinolaryngology Eye & ENT Hospital Fudan University Shanghai China
33. Children's Hospital of Tianjin University Tianjin China
34. Guangdong Provincial People's Hospital Guangzhou China
35. The First Affiliated Hospital of Xinjiang Medical University Ürümqi China
36. Hainan Provincial People's Hospital Haikou China
37. West China Hospital of Sichuan University Chengdu China
38. Chongqing General Hospital University of Chinese Academy of Sciences Beijing China
39. Ruijin Hospital of Shanghai Jiaotong University Shanghai China
40. Children's Hospital of Soochow University Suzhou China