[1] Yonsei University College of Medicine,Department of Radiology, Yongin Severance Hospital
[2] Yonsei University College of Medicine,Biostatistics Collaboration Unit, Department of Biomedical Systems Informatics
[3] Yonsei University College of Medicine,Department of Radiology, Severance Hospital
[4] Yonsei University College of Medicine,Department of Surgery, Severance Hospital
[5] Yonsei University Wonju College of Medicine,Department of Radiology, Wonju Severance Christian Hospital