About the Authors

Koichi Tomita

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Visualization, Writing – original draft

Affiliation Department of Digestive and Transplantation Surgery, Tokyo Medical University Hachioji Medical Center, Tokyo, Japan

Naokazu Chiba

Roles Data curation, Writing – review & editing

Affiliation Department of Digestive and Transplantation Surgery, Tokyo Medical University Hachioji Medical Center, Tokyo, Japan

Shigeto Ochiai

Roles Data curation, Writing – review & editing

Affiliation Department of Digestive and Transplantation Surgery, Tokyo Medical University Hachioji Medical Center, Tokyo, Japan

Takahiro Gunji

Roles Data curation, Writing – review & editing

Affiliation Department of Digestive and Transplantation Surgery, Tokyo Medical University Hachioji Medical Center, Tokyo, Japan

Kosuke Hikita

Roles Data curation, Writing – review & editing

Affiliation Department of Digestive and Transplantation Surgery, Tokyo Medical University Hachioji Medical Center, Tokyo, Japan

Toshimichi Kobayashi

Roles Data curation, Writing – review & editing

Affiliation Department of Digestive and Transplantation Surgery, Tokyo Medical University Hachioji Medical Center, Tokyo, Japan

Toru Sano

Roles Data curation, Writing – review & editing

Affiliation Department of Digestive and Transplantation Surgery, Tokyo Medical University Hachioji Medical Center, Tokyo, Japan

Yuta Abe

Roles Data curation, Writing – review & editing

Affiliation Department of Surgery, Keio University School of Medicine, Tokyo, Japan

Kiyoshi Koizumi

Roles Conceptualization, Data curation, Formal analysis, Writing – review & editing

Affiliation Department of Radiology, Tokyo Medical University Hachioji Medical Center, Tokyo, Japan

Motohide Shimazu

Roles Conceptualization, Data curation, Writing – review & editing

Affiliation Department of Surgery, Tama Kyuryo Hospital, Tokyo, Japan

Shigeyuki Kawachi

Roles Data curation, Supervision, Writing – review & editing

skawachi@tokyo-med.ac.jp

Affiliation Department of Digestive and Transplantation Surgery, Tokyo Medical University Hachioji Medical Center, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.