1. Department of Urology, Pusan National University Yangsan Hospital, Yangsan, Korea.
2. Department of Pathology, Pusan National University Yangsan Hospital, Yangsan, Korea.
3. Department of Radiology, Pusan National University Yangsan Hospital, Yangsan, Korea.
4. Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea.