1. State
Key Laboratory of High performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi
Road, Shanghai 200050, P. R. China
2. Department
of Medical Ultrasound, Shanghai Tenth people’s Hospital, Tongji University School of Medicine, 301 Yan-chang-zhong Road, Shanghai 200072, P. R. China
3. Ultrasound
Research and Education Institute, Tongji University School of Medicine, 301 Yan-chang-zhong Road, Shanghai 200072, P. R. China