About the Authors

Ikuko Takahara

Affiliation Division of Gastroenterology and Hepatology, Nagasaki University School of Medicine, Nagasaki, Japan

Yuko Akazawa

akazaway@nagasaki-u.ac.jp

Affiliation Division of Gastroenterology and Hepatology, Nagasaki University School of Medicine, Nagasaki, Japan

Maiko Tabuchi

Affiliation Division of Gastroenterology and Hepatology, Nagasaki University School of Medicine, Nagasaki, Japan

Katsuya Matsuda

Affiliation Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute, Nagasaki University, Nagasaki, Japan

Hisamitsu Miyaaki

Affiliation Division of Gastroenterology and Hepatology, Nagasaki University School of Medicine, Nagasaki, Japan

Youko Kido

Affiliation Division of Gastroenterology and Hepatology, Nagasaki University School of Medicine, Nagasaki, Japan

Yasuko Kanda

Affiliation Division of Gastroenterology and Hepatology, Nagasaki University School of Medicine, Nagasaki, Japan

Naota Taura

Affiliation Division of Gastroenterology and Hepatology, Nagasaki University School of Medicine, Nagasaki, Japan

Ken Ohnita

Affiliation Division of Gastroenterology and Hepatology, Nagasaki University School of Medicine, Nagasaki, Japan

Fuminao Takeshima

Affiliation Division of Gastroenterology and Hepatology, Nagasaki University School of Medicine, Nagasaki, Japan

Yusuke Sakai

Affiliation Department of Surgery, Nagasaki University, Graduate School of Biomedical Sciences, Nagasaki, Japan

Susumu Eguchi

Affiliation Department of Surgery, Nagasaki University, Graduate School of Biomedical Sciences, Nagasaki, Japan

Masahiro Nakashima

Affiliation Department of Tumor and Diagnostic Pathology, Atomic Bomb Disease Institute, Nagasaki University, Nagasaki, Japan

Kazuhiko Nakao

Affiliation Division of Gastroenterology and Hepatology, Nagasaki University School of Medicine, Nagasaki, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: YA KN. Data curation: IT KM Y. Kido YS. Formal analysis: IT. Funding acquisition: YA. Investigation: IT KM Y. Kido Y. Kanda YS MT HM. Methodology: MN. Project administration: YA. Resources: IT KM Y. Kanda YS. Supervision: YA. Validation: IT KM Y. Kido YS. Visualization: YA. Writing – original draft: IT YA. Writing – review & editing: MN SE KO FT NT HM.