1. Department of Respiratory Medicine The First People's Hospital of Yancheng Yancheng China
2. The Fourth Affiliated Hospital of Nantong University Yancheng China
3. Department of Respiratory Medicine The First Affiliated Hospital of Soochow University Suzhou China
4. Department of Respiratory Medicine Jianhu Hospital Affiliated to Nantong University Yancheng China
5. Department of Pathology The First People's Hospital of Yancheng Yancheng China