1. Department of Respiratory Medicine Shenzhen Children's Hospital Shenzhen GuangdongChina
2. Department of Pulmonology Children's Hospital Affiliated to Capital Institute of Pediatrics BeijingChina
3. Department of Respiration Children's Hospital of Nanjing Medical University Nanjing JiangsuChina
4. Department of Respiration Children's Hospital of Soochow University Suzhou JiangsuChina
5. Department of Pediatric Respiratory Medicine Shengjing Hospital of China Medical University Shenyang LiaoningChina
6. Department of Respiration Yuying Children's Hospital of Wenzhou Medical University Wenzhou ZhejiangChina
7. Department of Pulmonology The Children's Hospital Zhejiang University School of Medicine Hangzhou ZhejiangChina
8. Department of Respiratory Medicine Beijing Children's Hospital Capital Medical University National Center for Children's Health BeijingChina
9. Department of Pediatrics The First Affiliated Hospital of Guangxi Medical University Nanning GuangxiChina
10. Department of Respiration Jiangxi Provincial Children's Hospital Nanchang JiangxiChina
11. Department of Respiration Children's Hospital Affiliated to Chongqing Medical University ChongqingChina
12. Department of Infectious Disease West China Second Hospital Sichuan University Chengdu SichuanChina
13. Department of Pediatrics Guilin People's Hospital Guilin GuangxiChina
14. Department of Pediatrics Liuzhou General Hospital Liuzhou GuangxiChina
15. Department of Respiration Changchun Children's Hospital Changchun, JilinChina
16. Department of Respiration Guangzhou Women and Children's Medical Center Guangzhou GuangdongChina
17. Department of Respiration Children's Hospital of Shanghai Jiaotong University Shanghai China