1. Department of Radiology
2. Cancer Hospital/Institute & Department of Oncology
3. Shanghai Medical College
4. Fudan University
5. Shanghai, P. R. China
6. Department of Ultrasound
7. The First People's Hospital of Zhenjiang City
8. Zhenjiang, P. R. China
9. State Key Laboratory of High Performance Ceramics and Superfine Microstructures
10. Shanghai Institute of Ceramics
11. Chinese Academy of Sciences