1. National Centre for Respiratory Medicine, State Key Laboratory of Respiratory Health and Multimorbidity, National Clinical Research Centre for Respiratory Diseases, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Department of Pulmonary and Critical Care Medicine, Centre of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China
2. China-Japan Friendship School of Clinical Medicine, Capital Medical University, Beijing, China
3. Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
4. Department of Pneumology and Critical Care Medicine, Thoraxklinik Heidelberg, University Hospital of Heidelberg, Heidelberg, Germany