Guangzhou Medical University - National Clinical Research Center for Respiratory Disease, The First People’s Hospital of Yibin, The First People’s Hospital of Yibin, General Hospital of Northern Theater Command, affiliation not provided to SSRN, General Hospital of Northern Theater Command, Huazhong University of Science and Technology, Ningbo University - Affiliated Hospital, Government of the People's Republic of China - First People's Hospital of Foshan, Capital Medical University - Beijing Hospital of Traditional Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine, Shandong First Medical University - Shandong Institute of Respiratory Diseases, Hangzhou Hospital of Traditional Chinese Medicine, Qingdao University - Affiliated HospitalQingdao University - Key Laboratory, Department of Otolaryngology-Head and Neck Surgery, Huazhong University of Science and Technology - Maternal and Child Health Hospital of Hubei Province, Zhongshan Boai Hospital, Government of the People's Republic of China - Xi’an Children’s Hospital, Sun Yat-sen University (SYSU) - First Affiliated Hospital, Zhengzhou University - First Affiliated Hospital, Zhejiang University - National Clinical Research Center for Child Health, Zhejiang University - National Clinical Research Center for Child Health, Hebei General Hospital, Central South University - Third Xiangya Hospital, Xiamen University - The Women and Children's Hospital affiliated, Nanjing Medical University - Children's Hospital, Huazhong University of Science and Technology - Tongji Medical College, Wenzhou Medical University - Yuying Children’s Hospital, Wenzhou Medical University - Yuying Children’s Hospital, Qingdao University - Yantai Yuhuangding Hospital, Shanxi Medical University - First Hospital, Shanghai Jiao Tong University (SJTU) - Affiliated Sixth People's Hospital, Southern Medical University, Zhujiang Hospital, Capital Institute of Pediatrics, Chengdu First People's Hospital, Tangshan Gongren Hospital, Fudan University, Tianjin University - Children's Hospital of Tianjin University, South China University of Technology - Guangdong General Hospital (Guangdong Provincial People’s Hospital), Xinjiang Medical University - First Affiliated Hospital, Hainan Provincial People's Hospital, Hainan Provincial People's Hospital, Sichuan University - West China Hospital, Chinese Academy of Sciences (CAS) - Chongqing General Hospital, Chinese Academy of Sciences (CAS) - Chongqing General Hospital, Shanghai Jiao Tong University (SJTU) - Ruijin Hospital of Shanghai, Soochow University - Children’s Hospital of Soochow University, Guangzhou Medical University - National Clinical Research Center for Respiratory Disease, Soochow University - Children’s Hospital of Soochow University and Guangzhou Medical University - National Clinical Research Center for Respiratory Disease