1. Department of Radiology, Soonchunhyang University College of Medicine, Soonchunhyang University Seoul Hospital, Seoul, Korea.
2. Department of Radiology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.
3. Department of Radiology, UMass Memorial Medical Center, Worcester, MA, USA.
4. Medical Research Collaborating Center, Seoul National University Hospital, Seoul, Korea.
5. Institute of Radiation Medicine, Seoul National University Medical Research Center, Seoul, Korea.
6. Department of Biostatistics and Data Innovation, Soonchunhyang University Seoul Hospital, Seoul, Korea.