1. Department of Radiology, Shanghai East Hospital, School of Medicine, Tongji University , Shanghai , China
2. Department of Cardio-Pulmonary Circulation, Shanghai Pulmonary Hospital, School of Medicine, Tongji University , Shanghai , China
3. Jedicare Medical Co. Ltd. , Shanghai , China
4. Department of Radiology, Shanghai Pulmonary Hospital, School of Medicine, Tongji University , Shanghai , China