1. Department of Basic Medicine, Haihe Clinic College of Tianjin Medical University, Tianjin, China
2. Key Research Laboratory for Infectious Disease Prevention for State Administration of Traditional Chinese Medicine, Tianjin Institute of Respiratory Diseases, Tianjin Haihe Hospital, Tianjin, China
3. Department of Medicine, Division of Pulmonary and Critical Care Medicine, Women’s Guild Lung Institute, Cedars-Sinai Medical Center, Los Angeles, California, United States
4. Clinical Laboratory, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
5. Department of Respiratory Medicine, Tianjin Haihe Hospital, Tianjin, China