1. Department of Medical Ultrasound, Shanghai Tenth People’s Hospital, Ultrasound Research and Education Institute, Tongji University School of Medicine, Shanghai, China
2. Department of Medical Ultrasound, Changzhou First People’s Hospital and The Third Affiliated Hospital of Suzhou University, Changzhou, China
3. Department of Medical Ultrasound, Fujian Cancer Hospital and Fujian Medical University Cancer Hospital, Fuzhou, China