1. Department of Radiology, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
2. Department of Pathology, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
3. Department of Internal Medicine, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
4. Department of Radiology, Semyung Radiology Clinic, Gumi 39254, Gyeongsangbuk-do, Republic of Korea