1. Department of Obstetrics and Gynecology; Asahikawa Medical College; Midorigaokahigashi 2-1-1-1 078-8510 Asahikawa Hokkaido Japan
2. Department of Urology; Osaka University Graduate School of Medicine; Suita Japan
3. Department of Integrated Cancer Therapy and Urology; Kanazawa University Graduate School of Medical Science; Kanazawa Japan