1. Department of Diagnostic Radiology, College of Medicine, Pochon CHA University, Bundang CHA Hospital, Sungnam-Si, Korea.
2. Department of Diagnostic Radiology and Research Institute of Radiological Science, Yonsei University College of Medicine, Seoul, Korea.
3. Department of Pathology, College of Medicine, Pochon CHA University, Bundang CHA Hospital, Sungnam-Si, Korea.