1. Department of Radiology; Seoul Metropolitan Government - Seoul National University, Boramae Medical Center; Seoul Korea
2. Seoul National University College of Medicine; Seoul Korea
3. Department of Radiology; Seoul National University Hospital; Seoul Korea
4. Department of Radiology; Seoul National University, Bundang Hospital; Seongnam Korea
5. Department of Pathology; Seoul National University Hospital; Seoul Korea
6. Department of Nuclear Medicine; Seoul National University Hospital; Seoul Korea
7. Department of Radiology; Korea University Ansan Hospital; Ansan Korea
8. Department of Radiology; Gangnam Center, Seoul National, University Hospital Healthcare System; Seoul Korea