| Institution: | 1. Department of Radiology, Severance Hospital, Research Institute of Radiological Science, Yonsei University College of Medicine, Seoul, Korea;2. Department of Radiology, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea;3. Department of Radiology, Ajou University School of Medicine, Suwon, Korea;4. Yonsei University College of Medicine, Seoul, Korea;5. Department of Research Affairs, Biostatistics Collaboration Unit, Yonsei University College of Medicine, Seoul, Korea |
