1. Department of Gastroenterological Surgery, The Cancer Institute Hospital of Japanese Foundation for Cancer Research , Tokyo , Japan
2. Department of Surgery, National Center for Global Health and Medicine , Tokyo , Japan
3. Center for Digital Transformation of Health , Graduated School of Medicine, , Kyoto , Japan
4. Kyoto University , Graduated School of Medicine, , Kyoto , Japan
5. Cancer Chemotherapy Center, Osaka Medical and Pharmaceutical University Hospital , Osaka , Japan
6. Department of General and Gastroenterological Surgery, Osaka Medical and Pharmaceutical University Hospital , Osaka , Japan
7. Department of Gastroenterological Oncology, Hyogo Cancer Center , Akashi, Hyogo , Japan
8. Department of Gastroenterological Surgery, Toranomon Hospital , Tokyo , Japan
9. Department of Surgery, Itami City Hospital , Itami, Hyogo , Japan
10. Department of Gastrointestinal Surgery, Kanagawa Cancer Center , Yokohama, Kanagawa , Japan