1. Department of Radiology, Gyeongsang National University Hospital, Jinju, Korea.
2. Department of Radiology, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Korea.
3. Department of Pathology, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Korea.
4. Department of Endoclinology, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Korea.