1. Department of Respiratory Medicine, Shanghai Children’s Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
2. Department of Respiratory Diseases, Shenzhen Children’s Hospital, Shenzhen, Guangdong, China
3. Department of Pediatrics, Shanghai Fourth People’s Hospital, Tongji University, Shanghai, China
4. Department of Pediatrics, Fengcheng Hospital, Shanghai, China
5. Department of Pediatrics, Fengxian District Central Hospital, Shanghai, China
6. Department of Pediatrics, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
7. Department of Pediatrics, Nanxiang Hospital, Shanghai, China
8. Second Department of Infectious Diseases, Xi’an Children’s Hospital, The Affiliated Children’s Hospital of Xi’an Jiaotong University, Shaanxi, China
9. Department of Pediatrics, Putuo District People’s Hospital, Shanghai, China
10. Department of Pediatrics, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
11. Department of Pediatrics, Dahua Hospital of Shanghai Xuhui District, Shanghai, China
12. Department of Pediatrics, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
13. Department of Pediatrics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
14. Department of Pulmonary, Shanghai Children’s Hospital, Shanghai Jiao Tong University, Shanghai, China
15. Department of Respiratory Medicine, Tianjin Children’s Hospital (Children’s Hospital of Tianjin University), Tianjin, China