1. Department of Urology; Gunma University Graduate School of Medicine; Maebashi; Japan
2. Department of Urology; Yokohama City University Graduate School of Medicine; Yokohama; Japan
3. Department of Urologic Surgery and Andrology; Sapporo Medical University School of Medicine; Sapporo; Japan
4. Department of Urology; Chiba University Graduate School of Medicine; Chiba; Japan
5. Department of Integrative Cancer Therapy and Urology; Kanazawa University Graduate School of Medical Science; Kanazawa; Japan
6. Department of Nephro-Urologic Surgery and Andrology; Mie University Graduate School of Medicine; Tsu; Japan
7. Department of Urology; Osaka University Graduate School of Medicine; Osaka; Japan
8. Department of nephro-urology; Nagasaki University Graduate School of Biomedical Sciences; Nagasaki; Japan
9. ASKA Pharma Medical Co., Ltd; Kawasaki; Japan