1. Department of Radiology Yongin Severance Hospital Yongin Gyeonggi‐do South Korea
2. Department of Radiology Biomedical Research Institute, Pusan National University Hospital, and Pusan National University School of Medicine Pusan South Korea
3. Department of Radiology Asan Medical Center, Ulsan University College of Medicine Seoul South Korea
4. Department of Radiology and Research Institute of Radiological Science Severance Hospital, Yonsei University College of Medicine Seoul South Korea
5. Department of Radiology Severance Hospital, Yonsei University College of Medicine Seoul South Korea
6. Department of Radiology Ajou University Hospital Suwon South Korea
7. Department of Radiology National Health Insurance Service Ilsan Hospital Goyang South Korea
8. Department of Gastroenterology Liver Center, Asan Medical Center, University of Ulsan College of Medicine Seoul Republic of Korea
9. Department of Internal Medicine Severance Hospital Seoul South Korea