1. Center for Liver and Pancreatobiliary Cancer, National Cancer Center, Goyang, Korea.
2. Department of Radiology, Seoul National University Hospital, Seoul, Korea.
3. Department of Radiology, Pusan National University Hospital, Busan, Korea.
4. Department of Radiology, Jeonbuk National University Hospital, Jeonju, Korea.
5. Department of Radiology, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Korea.
6. Department of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
7. Department of Internal Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul, Korea.
8. Department of Internal Medicine, Ewha Womans University College of Medicine, Seoul, Korea.
9. Department of Radiology, Yonsei University College of Medicine, Seoul, Korea.
10. Department of Radiology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
11. Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
12. Department of Radiology, National Cancer Center, Goyang, Korea.