1. Division of Colon and Rectal Surgery, Shizuoka Cancer Center
2. Department of Surgery, School of Medicine, Keio University
3. Regional Resources Division, Shizuoka Cancer Center Research Institute
4. Division of Gastric Surgery, Shizuoka Cancer Center
5. Division of Pathology, Shizuoka Cancer Center
6. Medical Genetics Division, Shizuoka Cancer Center Research Institute
7. Human Metabolome Technologies, Inc., Tsuruoka
8. Shizuoka Cancer Center