1. Department of Radiology, Xiamen Chang Gung Hospital, Hua Qiao University, Quanzhou, Fujian, China
2. Department of Interventional Radiology, The Second Affiliated Hospital of Xiamen Medical College, Xiamen, Fujian, China
3. Linkou Changgung Hospital, Taoyuan, Taiwan
4. Department of Radiology, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian, China
5. Department of Digestive Disease, Xiamen Chang Gung Hospital, Hua Qiao University, Quanzhou, Fujian, China