1. Department of Medical Ultrasound; Shanghai Tenth People's Hospital; and Ultrasound Research and Education Institute; Tongji University School of Medicine; 301 Yan-chang-zhong Road Shanghai 200072 P. R. China
2. National Center for International Research of Bio-targeting Theranostics; Guangxi Key Laboratory of Bio-targeting Theranostics; Collaborative Innovation Center for Tumor-targeting Theranostics; Guangxi Medical University; 22 Shuang Yong Road Nanning Guangxi 530021 P. R. China
3. Department of Imaging and Interventional Radiology; Zhongshan-Xuhui Hospital of Fudan University; 966 Huai-hai-zhong Road Shanghai 200031 P. R. China