1. Department
of Ultrasound in Medicine, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai 200072, People’s Republic of China
2. Department
of Ultrasound, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200120, People’s Republic of China
3. Department
of Radiology, Fudan University Shanghai Cancer Center, Shanghai 200032, People’s Republic of China
4. State
Key Laboratory of High Performance Ceramics and Superfine Microstructures,
Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, People’s Republic of China