1. Department of Radiology, Tianjin Key Laboratory of Functional Imaging, Tianjin Medical University General Hospital, Tianjin 300052, China
2. Department of Radiology, Affiliated Hospital of Inner Mongolia Medical University, Hohhot 010050, China
3. Ultrasonic Diagnosis and Treatment Department, National Clinical Research Center of Cancer, Tianjin Cancer Hospital Ariport Hospital, Tianjin 300052, China
4. Department of Radiology, The Second Hospital of Tianjin Medical University, Tianjin 300211, China
5. Inner Mongolia Medical University, Hohhot 010050, China