1. Department of Pathology, Chungbuk National University Hospital, Cheongju, Republic of Korea
2. Chungbuk National University College of Medicine, Cheongju, Republic of Korea
3. Department of Internal Medicine, Chungbuk National University Hospital, Cheongju, Republic of Korea
4. Department of Urology, Chungbuk National University Hospital, Cheongju, Republic of Korea
5. Department of Radiology, Chungbuk National University Hospital, Cheongju, Republic of Korea