1. Department of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University, Saitama, Japan
2. Department of Surgery, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Tokyo, Japan
3. Division of Molecular Diagnosis and Cancer Prevention, Saitama Cancer Center, Saitama, Japan
4. Diagnosis and Therapeutics of Intractable Disease, Juntendo University Graduate School of Medicine, Tokyo, Japan
5. Department of Urology, Saitama Medical Center, Saitama Medical University, Saitama, Japan
6. Department of Pathology, Saitama Medical University, Moroyama, Saitama, Japan