1. Department of Radiology, Seoul National University Bundang Hospital, Seongnam, Korea.
2. Department of Radiology, Asan Medical Center, Seoul, Korea.
3. Department of Applied Bioengineering, Graduate School of Convergence Science and Technology, Seoul National University, Seoul, Korea.
4. Department of Radiology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
5. Department of Medical Device Development, Seoul National University College of Medicine, Seoul, Korea.
6. Interdisciplinary Program in Bioengineering, Seoul National University, Seoul, Korea.