1. Department of Pathology; School of Medicine; Pusan National University; Yangsan Korea
2. The Research Institute for Convergence of Biomedical Science and Technology; Pusan National University Yangsan Hospital; YangSan Korea
3. Department of Pathology; School of Medicine; Dong-A University; Busan Korea
4. Department of Urology; School of Medicine; Pusan National University; Yangsan Korea