1. National Clinical Database Steering Committee of Japanese Urological Association Tokyo Japan
2. Department of Urology St. Marianna University School of Medicine Kawasaki Kanagawa Japan
3. Department of Healthcare Quality Assessment, Graduate School of Medicine The University of Tokyo Tokyo Japan
4. Department of Nephro‐urology Nagoya City University Graduate School of Medical Sciences Nagoya Aichi Japan
5. Department of Urology Hirosaki University Graduate School of Medicine Hirosaki Aomori Japan
6. Department of Urology Keio University School of Medicine Tokyo Japan
7. Department of Urology, Graduate School of Medicine Chiba University Chiba Japan
8. Department of Pediatric Urology Nagoya City University Graduate School of Medical Sciences Nagoya Aichi Japan
9. Division of Urology, Department of Surgery, Faculty of Medicine Tottori University Yonago Tottori Japan
10. Department of Urology Kyoto University Graduate School of Medicine Kyoto Japan
11. Department of Urology, Faculty of Medicine University of Miyazaki Miyazaki Japan
12. Department of Urology, Graduate School of Medical Sciences Kyushu University Fukuoka Japan