About the Authors

Tomomi Kogiso

kogiso@ige.twmu.ac.jp

Affiliation Institute of Gastroenterology, Department of Internal Medicine, Tokyo Women's Medical University, Tokyo, Japan

Hikaru Nagahara

Affiliation Aoyama hospital, Tokyo Women's Medical University, Tokyo, Japan

Etsuko Hashimoto

Affiliation Institute of Gastroenterology, Department of Internal Medicine, Tokyo Women's Medical University, Tokyo, Japan

Shunichi Ariizumi

Affiliation Institute of Gastroenterology, Department of Surgery, Tokyo Women's Medical University, Tokyo, Japan

Masakazu Yamamoto

Affiliation Institute of Gastroenterology, Department of Surgery, Tokyo Women's Medical University, Tokyo, Japan

Keiko Shiratori

Affiliation Institute of Gastroenterology, Department of Internal Medicine, Tokyo Women's Medical University, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TK HN EH KS. Performed the experiments: TK HN. Analyzed the data: TK HN. Contributed reagents/materials/analysis tools: TK HN SA MY. Contributed to the writing of the manuscript: TK HN.