1 Department of Infectious Disease, Children's Hospital, Zhejiang University School of Medicine, 3333 Binsheng Road, Binjiang District, Hangzhou, 310052, China.
2 Clinical Research Unit, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
3 Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, Beijing, China.
4 Department of Pediatric Pulmonology, West China Second University Hospital, Sichuan University, Chengdu, China.
5 Department of Pediatric Pulmonology, the Second Affiliated Hospital & Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China.
6 Department of Infectious Disease, Anhui Provincial Children's Hospital, Hefei, China.
7 Department of Pediatrics, the Second Hospital of Hebei Medical University, Shijiazhuang, China.
8 Department of Pediatrics, Xijing Hospital, the Fourth Military Medical University, Xi'an, China.
9 Department of Infectious Disease, Guangzhou Women and Children's Medicine Center, Guangzhou Medicine University, Guangzhou, China.
10 Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
11 Department of Respiratory Disease, Beijing Children's Hospital, Capital Medical University, Beijing, China.
12 Department of Pediatric Respiratory, Shengjing Hospital of China Medical University, Shenyang, China.
13 Respiratory Department, Children's Hospital Affiliated to Capital Institute of Pediatrics, Beijing, China.
14 Department of Clinical Epidemiology, Aarhus University, Aarhus, Denmark.
15 Department of Respirology, Children's Hospital of Soochow University, Suzhou, China.
16 Department of Respiratory, Children's Hospital of Shanghai, Children's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
17 Department of Infectious Disease, Hainan Women and Children's Medical Center, Haikou, China.
18 Department of Infectious Disease, Children's Hospital of Chongqing Medical University, Chongqing, China.
19 Department of Respiratory, Children's Hospital of Nanjing Medical University, Nanjing, China.
20 Department of Infectious Diseases, Children's Hospital of Fudan University, 399 Wanyuan Road, Minhang District, Shanghai, 201102, China. [email protected].
21 Department of Respiratory Diseases, Children's Hospital, Zhejiang University School of Medicine, 3333 Binsheng Road, Binjiang District, Hangzhou, 310052, China. [email protected].
22 Department of Infectious Disease, Children's Hospital, Zhejiang University School of Medicine, 3333 Binsheng Road, Binjiang District, Hangzhou, 310052, China. [email protected].