About the Authors

Juntaro Matsuzaki

Affiliation Center for Preventive Medicine, Keio University Hospital, Tokyo, Japan

Hidekazu Suzuki

hsuzuki.a6@keio.jp

Affiliation Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan

Masao Kobayakawa

Affiliation Department of Gastroenterology, National Center for Global Health and Medicine, Tokyo, Japan

John M. Inadomi

Affiliation Division of Gastroenterology, Department of Internal Medicine, University of Washington Medical School, Seattle, Washington, United States of America

Michiyo Takayama

Affiliation Center for Preventive Medicine, Keio University Hospital, Tokyo, Japan

Kanako Makino

Affiliation Center for Preventive Medicine, Keio University Hospital, Tokyo, Japan

Yasushi Iwao

Affiliation Center for Preventive Medicine, Keio University Hospital, Tokyo, Japan

Yoshinori Sugino

Affiliation Center for Preventive Medicine, Keio University Hospital, Tokyo, Japan

Takanori Kanai

Affiliation Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JM. Analyzed the data: JM HS MK JMI. Contributed reagents/materials/analysis tools: JM MT KM YI YS. Wrote the paper: JM HS JMI TK.