1. Department of Urology; Keio University School of Medicine; Tokyo Japan
2. Department of Urology; Yamagata University Faculty of Medicine; Yamagata Japan
3. Prostate Center and Division of Urology; Chiba Cancer Center; Chiba Japan
4. Department of Urology; Hokkaido University Graduate School of Medicine; Hokkaido Japan
5. Department of Urology; Akita University School of Medicine; Akita Japan
6. Department of Solid Tumor Oncology; Cleveland Clinic; Taussig Cancer Institute; Cleveland Ohio USA
7. Pfizer Japan; Tokyo Japan
8. Pfizer Oncology; San Diego California USA
9. Department of Urology; Kindai University Faculty of Medicine; Osaka Japan