Department of Respiratory and Critical Care Medicine Peking University People's Hospital Beijing 100044 China;
Department of Respiratory Medicine First Affiliated Hospital of Nanchang University Nanchang Jiangxi 330006 China;
Department of Respiratory Medicine Lianyungang First People's Hospital Affiliated to Xuzhou Medical College Lianyungang Jiangsu 222002 China;
Department of Respiratory Medicine First Hospital of Lanzhou University Lanzhou Gansu 730000 China;
Department of Respiratory Medicine Ruijin Hospital Affiliated to Shanghai Jiao Tong University Shanghai 200025 China;
Department of Respiratory Medicine Aerospace Central Hospital Beijing 100049 China;
Department of Respiratory Medicine First Affiliated Hospital of Guangxi Medical University Nanning Guangxi 530021 China;
Department of Respiratory Medicine Third Affiliated Hospital of Guangzhou Medical College Guangzhou Guangdong 510150 China;
Department of Respiratory Medicine Lanzhou Pulmonary Hospital Lanzhou Gansu 730046 China;
Institute of Respiratory Disease First Affiliated Hospital of China Medical University Shenyang Liaoning 110001 China;
Department of Respiratory Medicine Renmin Hospital of Wuhan University Wuhan Hubei 430060 China;
Department of Respiratory Medicine No.263 Clinical Section of the Military General Hospital of Beijing Beijing 101149;
Department of Respiratory Medicine Nanfang Hospital Affiliated to Southern Medical University Guangzhou Guangdong 510515 China;
Department of Respiratory Medicine First Affiliated Hospital of Tsinghua University Beijing 100016 China;
Department of Respiratory Medicine Peking University Third Hospital Beijing 100191 China;
Department of Respiratory Medicine Henan Province People' Hospital Zhengzhou Henan 450003 China;
Department of Microbiology Peking University People's Hospital Beijing 100044 China;
Department of Respiratory Medicine Fujian Provincial Hospital Fuzhou Fujian 350001 China;
Department of Respiratory Medicine Beijing Children's Hospital Affiliated to Capital Medical University Beijing 100045 China;
Department of Respiratory Medicine Third Affiliated Hospital of the Inner Mongolia Medical College Baotou Inner Mongolia 014010 China;
Department of Respiratory Medicine Affiliated Hospital of Guiyang Medical College Guiyang Guizhou 550004 China;
Department of Respiratory Medicine Xiangya Hospital of Central South University Changsha Hunan 410008 China;
