1. Cancer Vaccine Center Kurume University School of Medicine Kurume Japan
2. Department of Pathology Kurume University School of Medicine Kurume Japan
3. Department of Urology Kurume University School of Medicine Kurume Japan
4. Division of Cancer Vaccines in Research Center for Innovative Cancer Therapy Kurume University School of Medicine Kurume Japan
5. Bio‐statistics Center Kurume University School of Medicine Kurume Japan