About the Authors

Takeshi Shimamoto

Affiliations Kameda Medical Center Makuhari, Chiba, Japan, Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

Nobutake Yamamichi

nyamamic-tky@umin.ac.jp

Affiliation Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

Shinya Kodashima

Affiliation Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

Yu Takahashi

Affiliation Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

Mitsuhiro Fujishiro

Affiliation Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

Masashi Oka

Affiliation Department of Gastroenterology and Hepatology, Faculty of Medicine, Saitama Medical University, Saitama, Japan

Toru Mitsushima

Affiliation Kameda Medical Center Makuhari, Chiba, Japan

Kazuhiko Koike

Affiliation Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TS NY. Analyzed the data: TS. Wrote the paper: TS NY. Acquisition of the data: NY TM. Critical revision of the manuscript for important intellectual content: SK YT MF MO TM KK. Guarantor of the study: KK.