1. Department of Pathology, School of Medicine, Pusan National University, Yangsan, Korea
2. Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yang San, Korea
3. Department of Pathology, Donga University Hospital, Busan, Korea
4. Department of Urology, School of Medicine, Pusan National University, Yangsan, Korea