1. Division of Gastroenterology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Hyogo 650-0017, Japan
2. Analytical and Measuring Instruments Division, Shimadzu Corporation, Nakagyo-ku, Kyoto 604-8511, Japan
3. Division of Cancer Differentiation, National Cancer Center Research Institute, Tokyo 104-0045, Japan
4. Department of Gastrointestinal Medical Oncology, National Cancer Center Hospital, Chuo-ku, Tokyo 104-0045, Japan
5. Division of Epidemiology, Center for Public Health Sciences, National Cancer Center, Chuo-ku, Tokyo 104-0045, Japan
6. Endoscopy Division, National Cancer Center Hospital, Chuo-ku, Tokyo 104-0045, Japan
7. Department of Colorectal Surgery, National Cancer Center Hospital, Chuo-ku, Tokyo 104-0045, Japan
8. Division of Screening Assessment and Management, Center for Public Health Sciences, National Cancer Center, Chuo-ku, Tokyo 104-0045, Japan
9. Center for Public Health Sciences, National Cancer Center, Chuo-ku, Tokyo 104-0045, Japan
10. Division of Metabolomics Research, Department of Internal Related, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Hyogo 650-0017, Japan
11. AMED-CREST, AMED, Chuo-ku, Kobe, Hyogo 650-0017, Japan