1. Department of Urology Nara Medical University Kashihara NaraJapan
2. Department of Diagnostic Pathology Nara Medical University Kashihara NaraJapan
3. Department of Prostate Brachytherapy Nara Medical University Kashihara NaraJapan
4. Department of Urology Osaka Gyoumeikan Hospital Konohana‐ku Osaka Japan