[1] National Cancer Center Hospital East,Gastroenterology and Gastrointestinal Oncology
[2] Saitama Cancer Center,Department of Gastroenterology
[3] Kanagawa Cancer Center,Department of Gastrointestinal Surgery
[4] National Cancer Center Hospital,Department of Gastric Surgery
[5] Osaka General Medical Center,Department of Surgery
[6] National Hospital Organization Shikoku Cancer Center,Department of Gastrointestinal Medical Oncology
[7] University of Toyama,Department of Gastroenterology and Hematology, Faculty of Medicine
[8] University of Miyazaki Hospital,Department of Clinical Oncology
[9] Chugai Pharmaceutical Co.,Clinical Information and Intelligence Department
[10] Ltd,Clinical Science & Strategy Department
[11] Chugai Pharmaceutical Co.,Department of Clinical Oncology
[12] Ltd,undefined
[13] Aichi Cancer Center Hospital,undefined