1 Department of Ultrasound, Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, Guangdong, China.
2 Guangdong Provincial Key Laboratory of Biomedical Imaging and Guangdong Provincial Engineering Research Center of Molecular Imaging, Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, Guangdong, China.
3 Fine Chemical Industry Research Institute, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China. haowangfz@foxmail.com.
4 Guangdong Provincial Key Laboratory of Biomedical Imaging and Guangdong Provincial Engineering Research Center of Molecular Imaging, Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, Guangdong, China. lidan25@mail.sysu.edu.cn.
5 Department of Ultrasound, Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, Guangdong, China. suzhzh3@mail.sysu.edu.cn.
6 Guangdong Provincial Key Laboratory of Biomedical Imaging and Guangdong Provincial Engineering Research Center of Molecular Imaging, Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, Guangdong, China. suzhzh3@mail.sysu.edu.cn.