1. Department of Radiology, Tongji Hospital; Huazhong University of Science and Technology; Wuhan China
2. Department of Radiology; University of Washington; Seattle Washington USA
3. Department of Surgery; University of Washington; Seattle Washington USA
4. Department of Bioengineering; University of Washington; Seattle Washington USA
5. Surgery and Perioperative Care; VA Puget Sound Health Care System; Seattle Washington USA