1. Department of Medical Ultrasound, Shanghai General Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200080, China
2. Med-X Research Institute and School of Biomedical Engineering, Shanghai Jiaotong University, Shanghai 200030, China
3. Department of Nuclear Medicine, Changhai Hospital, The Second Military Medical University, Shanghai 200433, China
4. State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
5. Pharmaceutical Sciences Laboratory and Turku Bioscience Centre, Åbo Akademi University, FI-20520 Turku, Finland