1. Department of Urology, Center for Urologic Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Korea
2. Seoul Urology Clinic, Seoul Urology Group, Seoul, Korea
3. Biostatistics Collaboration Team, Research Core Center, Research Institute and Hospital, National Cancer Center, Goyang, Korea
4. Department of Pathology, Research Institute and Hospital, National Cancer Center, Goyang, Korea
5. Division of Cancer Immunology, Research Institute and Hospital, National Cancer Center, Goyang, Korea