1. Department of Ultrasound
2. Shanghai East Hospital
3. Tongji University
4. Shanghai
5. People's Republic of China
6. Department of Emergency Medicine and Critical Care
7. Shanghai 200120
8. Department of Radiology
9. Fudan University Shanghai Cancer Center
10. State Laboratory of High Performance Ceramic and Superfine Microstructure
11. Shanghai Institute of Ceramics
12. Chinese Academy of Sciences
13. Shanghai 200050