1. Department of Radiology, Seoul National University Bundang Hospital, Seongnam, Republic of Korea.
2. Department of Radiology, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan.
3. Scientific Publications Team, Clinical Research Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
4. Department of Radiology, Inha University Hospital, Incheon, Republic of Korea.
5. Department of Radiology, Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan.
6. Department of Radiological Technology, Faculty of Health Sciences, Okayama University, Okayama, Japan.