1. Department of Radiology, Gachon University College of Medicine, Gil Medical Center, Incheon, South Korea

2. Department of Surgery, Gachon University College of Medicine, Incheon, South Korea

3. Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, South Korea

4. Department of Biomedical Engineering, University of Ulsan College of Medicine, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, Seoul, South Korea