1. Department of Medicine, Respiratory, Emergency and Intensive Care Medicine The Affiliated Dushu Lake Hospital of Soochow University Suzhou China
2. Department of Medicine, Respiratory, Emergency and Intensive Care Medicine The First Affiliated Hospital of Soochow University Suzhou China
3. Gusu District Center for Disease Control and Prevention Soochow People's Republic of China
4. Department of Medical Oncology, Sichuan Cancer Hospital Medical School of University of Electronic Science and Technology of China Chengdu China
5. Department of Thoracic Surgery, Sichuan Cancer Hospital Medical School of University of Electronic Science and Technology of China Chengdu China