1. Department of Urology Jikei University Kashiwa Hospital Chiba Japan
2. Department of Urology The Jikei University School of Medicine Tokyo Japan
3. Department of Urology, Faculty of Medicine Kagawa University Kagawa Japan
4. Department of Urology Kyoto University Graduate School of Medicine Kyoto Japan
5. Department of Urology National Cancer Center Hospital Tokyo Japan
6. Department of Urology Hirosaki University Graduate School of Medicine Aomori Japan
7. Department of Urology, Faculty of Medicine University of Tsukuba Ibaraki Japan
8. Department of Urology, Graduate School of Medicine The University of Tokyo Tokyo Japan
9. Department of Urology Teikyo University School of Medicine Tokyo Japan
10. Department of Urology, Graduate School of Medicine Osaka Metropolitan University Osaka Japan
11. Department of Urology, Graduate School of Medicine Chiba University Chiba Japan
12. Department of Urology Akita University Graduate School of Medicine Akita Japan
13. Department of Urology Kurashiki Central Hospital Okayama Japan
14. Department of Urology, Graduate School of Life Science Kumamoto University Kumamoto Japan
15. Department of Urology, Faculty of Medicine University of Toyama Toyama Japan