1. Gastroenterology, Toyoshima Endoscopy Clinic, Tokyo, Japan
2. Laboratory of Molecular Medicine, Human Genome Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
3. Department of Gastrointestinal Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
4. Pathology and Cytology Laboratories (PCL) Japan, Tokyo, Japan
5. Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
6. Center for Integrative Medical Sciences, RIKEN, Yokohama, Japan
7. Division of Molecular and Clinical Epidemiology, Aichi Cancer Center Research Institute, Nagoya, Japan
8. Laboratory of Clinical Genome Sequencing, Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Tokyo, Japan