1. Department of Urology Toho University Ohashi Medical Center Tokyo Japan
2. Department of Urology Nagano Prefectural Shinshu Medical Center Suzaka Nagano Japan
3. Department of Renal and Urologic Surgery Asahikawa Medical University Asahikawa Hokkaido Japan
4. Department of Renal and Genitourinary Surgery Graduate School of Medical Science Hokkaido University Sapporo Hokkaido Japan
5. Department of Urology Hyogo Prefectural Rehabilitation Central Hospital Kobe Hyogo Japan
6. Department of Urology Nihon University School of Medicine Tokyo Japan
7. Department of Urology Spinal Injuries Center Iizuka Fukuoka Japan
8. Department of Urology Kanagawa Rehabilitation Hospital Atsugi Kanagawa Japan
9. Department of Urology Tohoku Rosai Hospital Sendai Miyagi Japan
10. Division of Urology Tottori University Faculty of Medicine Yonago Tottori Japan
11. Department of Urology University of Yamanashi Graduate School of Medical Sciences Chuo Yamanashi Japan
12. Department of Urology Continence Center Dokkyo Medical University Mibu Tochigi Japan
13. Department of Urology Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences Okayama Japan