1. Department of Urology, Pusan National University Yangsan Hospital, Yangsan, Korea.
2. Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea.
3. Institute for Medical Sciences, Ajou University School of Medicine, Suwon, Korea.
4. Genitourinary Cancer Branch, National Cancer Center, Goyang, Korea.