1. Department of Respiratory and Critical Care Medicine Shanghai Pulmonary Hospital Institute of Respiratory Medicine School of Medicine Tongji University Shanghai China
2. Department of Pulmonary Medicine Shanghai Chest Hospital Shanghai Jiao Tong University Shanghai China
3. Department of Radiology Shanghai Pulmonary Hospital Tongji University School of Medicine Shanghai China
4. Department of Radiology Shanghai Chest Hospital Shanghai Jiao Tong University Shanghai China