1. Department of Clinical Laboratory, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, People’s Republic of China
2. Key Laboratory of Respiratory and Pulmonary Circulation Disorders, Institute of Respiratory Medicine, Beijing, People’s Republic of China
3. Medical Research Center, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, People’s Republic of China
4. Department of Respiratory and Critical Care Medicine, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, People’s Republic of China
5. Department of Pulmonary and Critical Care Medicine, Xuanwu Hospital, Capital Medical University, Beijing, People’s Republic of China
6. Department of Physiology, Capital Medical University, Beijing, People’s Republic of China
7. Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, People’s Republic of China
8. Beijing Neurosurgical Institute, Capital Medical University, Beijing, People’s Republic of China