About the Authors

Yoshimasa Saito

Affiliations Division of Gastroenterology and Hepatology, Department of Internal Medicine, Shinjuku-ku, Tokyo, Japan, Division of Pharmacotherapeutics, Keio University Faculty of Pharmacy, Minato-ku, Tokyo, Japan

Hidekazu Suzuki

hsuzuki@a6.keio.jp

Affiliation Division of Gastroenterology and Hepatology, Department of Internal Medicine, Shinjuku-ku, Tokyo, Japan

Hitoshi Tsugawa

Affiliation Division of Gastroenterology and Hepatology, Department of Internal Medicine, Shinjuku-ku, Tokyo, Japan

Hiroyuki Imaeda

Affiliation Division of Gastroenterology and Hepatology, Department of Internal Medicine, Shinjuku-ku, Tokyo, Japan

Juntaro Matsuzaki

Affiliation Division of Gastroenterology and Hepatology, Department of Internal Medicine, Shinjuku-ku, Tokyo, Japan

Kenro Hirata

Affiliation Division of Gastroenterology and Hepatology, Department of Internal Medicine, Shinjuku-ku, Tokyo, Japan

Naoki Hosoe

Affiliation Division of Gastroenterology and Hepatology, Department of Internal Medicine, Shinjuku-ku, Tokyo, Japan

Masahiko Nakamura

Affiliation School of Pharmaceutical Sciences, Kitasato University, Minato-ku, Tokyo, Japan

Makio Mukai

Affiliation Department of Pathology, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan

Hidetsugu Saito

Affiliations Division of Gastroenterology and Hepatology, Department of Internal Medicine, Shinjuku-ku, Tokyo, Japan, Division of Pharmacotherapeutics, Keio University Faculty of Pharmacy, Minato-ku, Tokyo, Japan

Toshifumi Hibi

Affiliation Division of Gastroenterology and Hepatology, Department of Internal Medicine, Shinjuku-ku, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YS H. Suzuki TH. Performed the experiments: YS HT JM KH. Analyzed the data: YS H. Suzuki JM. Contributed reagents/materials/analysis tools: YS H. Suzuki HI JM KH NH MN MM H. Saito. Wrote the paper: YS H. Suzuki.