Affiliation: | 1. Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China First Hospital of Qinhuangdao, Beijing, China;2. Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China National Clinical Research Center for Respiratory Diseases, Beijing, China China-Japan Friendship School of Clinical Medicine, Peking University, Beijing, China;3. Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China;4. Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China National Clinical Research Center for Respiratory Diseases, Beijing, China;5. Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China National Clinical Research Center for Respiratory Diseases, Beijing, China China-Japan Friendship School of Clinical Medicine, Peking University, Beijing, China Capital Medical University, Beijing, China the Graduate School of Peking Union Medical College, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China |