1. Department of Transplant Surgery and Urology; Toda-chuo General Hospital; Saitama Japan
2. Department of Urology; Saiseikai Kurihashi Hospital; Saitama Japan
3. Department of Nephrology; Saijin Clinic; Saitama Japan
4. Department of Transplant Surgery and Urology; Shonan Kamakura General Hospital; Kanagawa Japan
5. Department of Urology; Tokyo Women's Medical University; Tokyo Japan
6. Yamaguchi's Pathological Laboratory; Chiba Japan