1. Department of Gastroenterological Surgery II, Hokkaido University Faculty of Medicine, Sapporo 060-8638, Japan
2. Department of Surgical Pathology, Hokkaido University Hospital, Sapporo 060-8648, Japan
3. Research Division of Genome Companion Diagnostics, Hokkaido University Hospital, Sapporo 060-8648, Japan
4. Center for Development of Advanced Diagnostics (C-DAD), Hokkaido University Hospital, Sapporo 060-8648, Japan
5. NB Health Laboratory Co. Ltd., Sapporo 001-0021, Japan