1 Department of Respiratory Disease, Shenzhen Children's Hospital, Shenzhen, China.
2 Department of Allergy and Clinical Immunology, Children's Hospital of Fudan University, Shanghai, China.
3 School of Population Medicine and Public Health, Peking Union Medical College, Beijing, China.
4 Research Unit of Critical Infection in Children, Chinese Academy of Medical Sciences, 2019RU016, National Clinical Research Center for Respiratory Diseases, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China.
5 Department of Pediatrics, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.
6 Department of Respiratory Disease, Guangzhou Women and Children's Medical Center, Guangzhou, China.
7 Diagnosis and Treatment Center of Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, China.
8 Department of Infectious Diseases, Shenzhen Children's Hospital, Shenzhen, Guangdong, China.
9 Department of Respiratory Disease, Beijing Children's Hospital, Capital Medical University, China National Clinical Research Center for Respiratory Diseases, National Center for Children's Health, Beijing, China.
10 Children's Health Care Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China.
11 Department of Infectious Diseases, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China.
12 Department of Respiratory Disease, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
13 Department of Pediatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
14 Department of Neurology, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
15 Department of Pediatric Respiratory Disease, Shengjing Hospital of China Medical University, Shenyang, China.
16 Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
17 Department of Respiratory Disease, Children's Hospital of Shanghai, Shanghai, China.
18 Department of Pediatrics, Fujian Branch of Shanghai Children's Medical Center, Fujian Children's Hospital, Fuzhou, China.
19 Office of Healthcare-Associated Infection Management, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
20 Department of Pediatrics, Guizhou Provincial People's Hospital, Guiyang, China.
21 Department of Pediatrics, Peking University First Hospital, Beijing, China.
22 Hospital Management Institute of Wuhan University, Zhongnan Hospital of Wuhan University, Wuhan, China.
23 Department of Pediatrics, Zhongnan Hospital of Wuhan University, Wuhan, China.
24 Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, China National Clinical Research Center for Respiratory Diseases, National Center for Children's Health, Beijing, China.
25 Department of Radiology, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
26 Department of Infectious Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
27 Hematology and Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China.
28 Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China. zhaozy@zju.edu.cn.
29 Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, China National Clinical Research Center for Respiratory Diseases, National Center for Children's Health, Beijing, China. yyh628628@sina.com.
30 Department of Respiratory Disease, Beijing Children's Hospital, Capital Medical University, China National Clinical Research Center for Respiratory Diseases, National Center for Children's Health, Beijing, China. kunlingshen1717@163.com.