1. Department of Ultrasound The Second People's Hospital of Shenzhen The First Affiliated Hospital of Shenzhen University Shenzhen 518061 P. R. China
2. Shenzhen University Health Science Center Shenzhen 518000 P. R. China
3. Department of Ultrasound Suzhou Hospital of Anhui Medical University (Suzhou Municipal Hospital of Anhui Province) Suzhou 234000 P. R. China
4. Department of Ultrasound Union Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430000 P. R. China
5. CAS Key Laboratory of Quantitative Engineering Biology Shenzhen Institute of Synthetic Biology Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences Shenzhen 518055 P. R. China
6. Department of Ultrasound The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310003 P. R. China
7. Department of Radiology Suzhou Hospital of Anhui Medical University (Suzhou Municipal Hospital of Anhui Province) Suzhou 234000 P. R. China