1. Department of Ultrasound, The Affiliated Hospital of Qingdao University, Qingdao, China
2. GE Healthcare, Shanghai, China
3. Department of Oncology, The Affiliated Hospital of Qingdao University, Qingdao, China
4. University of Southern California, Los Angeles, CA, USA
5. Department of Radiology, The Affiliated Hospital of Qingdao University, Qingdao, China