Ruo Zhang,a Liang Zhang,a Haitao Ran,a Pan Li,a Ju Huang,a Mixiao Tan,a Yang Yang*a and Zhigang Wang*a
重庆医科大学附属第二医院王志刚教授、杨扬副教授
a Chongqing Key Laboratory of Ultrasound Molecular Imaging, Institute of Ultrasound Imaging, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, P.R. China