Liang Zhang1*, Danli Sheng2*, Dong Wang1✉, Yuanzhi Yao3, Ke Yang1, Zhigang Wang2, Liming Deng2, Yu Chen4✉
1. Department of Ultrasound, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, P. R. China;
2. Institute of Ultrasound Imaging, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, P. R. China;
3. Department of Ultrasound, Chongqing Cancer Hospital, Chongqing Cancer Institute, Chongqing Cancer Center, Chongqing 400030, P. R. China;
4. State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, P. R. China.
* These two authors contributed equally to this work.
