1. Department of Radiology, Research Institute of Radiological Science, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, Korea.
2. Department of Radiology, Research Institute of Radiological Science, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
3. Department of Pathology, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, Korea.
4. Department of Radiology, Research Institute and Hospital, National Cancer Center, Goyang, Korea.