1. Department of Internal Medicine, Kyungpook National University Hospital, School of Medicine, Kyungpook National University, Daegu, Korea
2. Department of Pathology, Kyungpook National University Hospital, School of Medicine, Kyungpook National University, Daegu, Korea
3. Department of Surgery, Kyungpook National University Hospital, School of Medicine, Kyungpook National University, Daegu, Korea
4. Department of Urology, Kyungpook National University Hospital, School of Medicine, Kyungpook National University, Daegu, Korea
5. Department of Clinical Pathology, Kyungpook National University Hospital, School of Medicine, Kyungpook National University, Daegu, Korea