1. Department of Pulmonary and Critical Care Medicine, Beijing Chao-Yang Hospital, Capital Medical University, Chaoyang District, Beijing 100020, China
2. The General Hospital of People's Liberation Army (301 Hospital), Haidian District, Beijing 100853, China
3. Center of Respiratory Medicine, China-Japan Friendship Hospital, National Clinical Research Center for Respiratory Diseases, Hepingli, Beijing 100029, China
4. Sanofi (China) Investment Co., Ltd., Chaoyang District, Beijing 100022, China
5. Department of Cardiovascular Internal Medicine, Nanlou Branch of Chinese PLA General Hospital, Haidian District, Beijing 100853, China
6. Department of Orthopedic, Chinese PLA General Hospital, Haidian District, Beijing 100853, China.