1. Department of Urology; Yokohama City University Graduate School of Medicine; Yokohama Japan
2. Department of Urology and Renal Transplantation; Yokohama City University Medical Center; Yokohama Japan
3. Department of Biostatistics and Epidemiology; Yokohama City University, Graduate School of Medicine; Yokohama Japan
4. Department of Urology; Gunma University Graduate School of Medicine; Maebashi Japan
5. Department of Urologic Surgery and Andrology; Sapporo Medical University School of Medicine; Sapporo Japan
6. Department of Urology; Chiba University Graduate School of Medicine; Chiba Japan
7. Department of Integrative Cancer Therapy and Urology; Kanazawa University Graduate School of Medical Science; Kanazawa Japan
8. Department of Nephro-Urologic Surgery and Andrology; Mie University Graduate School of Medicine; Tsu Japan
9. Department of Urology; Osaka University Graduate School of Medicine; Osaka Japan
10. Department of Nephro-Urology; Nagasaki University Graduate School of Biomedical Sciences; Nagasaki Japan
11. Department of Analytical Research; ASKA Pharma Medical Co. Ltd.; Kawasaki Japan
12. Department of Urology and Pathology; Kanagawa Cancer Center, Asahi-ku; Yokohama Japan