| Affiliation: | 1. Department of Urology, Sapporo Medical University School of Medicine, Sapporo, Hokkaido, Japan;2. Iwasawa Clinic, Sapporo, Hokkaido, Japan;3. Department of Urology, Oji General Hospital, Tomakomai, Hokkaido, Japan;4. Asahikawa Urological Clinic, Asahikawa, Hokkaido, Japan;5. Motomachi Urological Clinic, Sapporo, Hokkaido, Japan;6. Department of Urology, Hokkaido Medical Center, Sapporo, Hokkaido, Japan;7. Teine Urological Clinic, Sapporo, Hokkaido, Japan;8. Department of Urology, Sanjyukai Hospital, Sapporo, Hokkaido, Japan;9. Department of Urology, Muroran City General Hospital, Muroran, Hokkaido, Japan;10. Department of Urology, JCHO Hokkaido Hospital, Sapporo, Hokkaido, Japan |
