1. Central Laboratory of Shanghai Municipal Hospital of Traditional Chinese Medicine Shanghai University of Traditional Chinese Medicine Shanghai 200071 P. R. China
2. Department of Ultrasound Zhongshan Hospital Fudan University, and Shanghai Institute of Medical Imaging Shanghai 200032 P. R. China
3. Materdicine Lab School of Life Sciences Shanghai University Shanghai 200444 P. R. China
4. Department of Medical Ultrasound National Clinical Research Center of Interventional Medicine Shanghai Tenth People's Hospital Tongji University Cancer Center Tongji University School of Medicine Tongji University Shanghai 200072 P. R. China