1. Department of Radiology, Clinical Medical College of Shanghai Tenth People's Hospital of Nanjing Medical University, Shanghai 200072, P.R. China
2. Department of Cardiology, The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan 610500, P.R. China
3. Department of Radiology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, P.R. China
4. Department of Radiology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, P.R. China
5. Department of Radiology, Clinical Medical College of Shanghai Tenth People's Hospital of Nanjing Medical University, Shanghai 200072, P.R. China