1. Department of Radiology and Tianjin Key Laboratory of Functional Imaging, Tianjin Medical University General Hospital, Tianjin 300052, China
2. Department of Diagnostic and Therapeutic Ultrasonography, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center of Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, China
3. Department of Radiology, The Second Hospital of Tianjin Medical University, Tianjin 300211, China
4. School of Medical Imaging, Tianjin Medical University, Tianjin 300203, China