| Affiliation: | 1. Department of Pulmonary and Critical Care Medicine, Beijing Key Laboratory of Respiratory and Pulmonary Circulation Disorders, Beijing Chao‐Yang Hospital, Capital Medical University, Beijing, China;2. Beijing Institute of Respiratory Medicine, Beijing, China;3. Heart‐Lung Function Testing Center, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China |
