Affiliations

• 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. zengmeigao@aliyun.com.
• ²¹ Department of Respiratory Diseases, Children's Hospital, Zhejiang University School of Medicine, 3333 Binsheng Road, Binjiang District, Hangzhou, 310052, China. zmchen@zju.edu.cn.
• ²² Department of Infectious Disease, Children's Hospital, Zhejiang University School of Medicine, 3333 Binsheng Road, Binjiang District, Hangzhou, 310052, China. lisuhuang@zju.edu.cn.