1. Department of Pathology, Kyungpook National University Hospital, Daegu, Republic of Korea.
2. Department of Radiology, Kyungpook National University Hospital, Daegu, Republic of Korea.
3. Department of Radiology, Yeungnam University College of Medicine, Daegu, Republic of Korea.
4. Department of Radiology, School of Medicine, Catholic University of Daegu, Daegu, Republic of Korea.
5. Department of Radiology, Daegu Fatima Hospital, Daegu, Republic of Korea.