1Department of Clinical Oncology, Aichi Cancer Center Hospital, Nagoya, Japan
2Gastrointestinal Oncology Division, National Cancer Center Hospital, Tokyo, Japan
3Translational Research Center, Graduate School of Medicine Kyoto University, Kyoto, Japan
4Gastric Surgery Division, National Cancer Center Hospital, Tokyo, Japan
5Department of Gastroenterological Surgery, Aichi Cancer Center Hospital, Nagoya, Japan
6Division of Gastrointestinal Oncology and Digestive Endoscopy, National Cancer Center Hospital East, Kashiwa, Japan
7Division of Surgical Oncology, National Cancer Center Hospital East, Kashiwa, Japan
8Division of Gastrointestinal Oncology, Shizuoka Cancer Center, Shizuoka, Japan
9Division of Gastric Surgery, Shizuoka Cancer Center, Shizuoka, Japan
10Cancer Chemotherapy Center, Osaka Medical College, Takatsuki, Japan
11Department of General and Gastroenterological Surgery, Osaka Medical College, Takatsuki, Japan
12Department of Medical Oncology, Oita University, Faculty of Medicine, Yufu, Japan
13Department of Surgery, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
14Department of Surgery, Hyogo College of Medicine, Nishinomiya, Japan