| Affiliation: | 1. Department of Respiratory Medicine and Critical Care, Institute of Respiratory Medicine Beijing, Chaoyang Hospital, Capital Medical University, Beijing, China;2. Department of Respiratory and Critical Care Medicine, The Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Medical School of Chinese PLA, Beijing, China;3. The Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Medical School of Chinese PLA, Beijing, China;4. Department of Pathology, Chaoyang Hospital, Capital Medical University, Beijing, China;5. Medical Research Center, Chaoyang Hospital, Capital Medical University, Beijing, China;6. Division of Pediatric Immunology, Allergy and Rheumatology, Joe DiMaggio Children's Hospital, Hollywood, Florida, USA Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis, Davis, California, USA |
