About the Authors

Akiko Kuroda

Affiliations Department of Molecular Pathology, Faculty of Medicine, Oita University, Oita, Japan, Department of General Medicine, Faculty of Medicine, Oita University, Oita, Japan

Yoshiyuki Tsukamoto

tuka@oita-u.ac.jp

Affiliation Department of Molecular Pathology, Faculty of Medicine, Oita University, Oita, Japan

Lam Tung Nguyen

Affiliations Department of Molecular Pathology, Faculty of Medicine, Oita University, Oita, Japan, Department of General Medicine, Faculty of Medicine, Oita University, Oita, Japan

Tsuyoshi Noguchi

Affiliation Department of Gastrointestinal Surgery, Faculty of Medicine, Oita University, Oita, Japan

Ichiro Takeuchi

Affiliation Department of Computer Science/Scientific and Engineering Simulation, Nagoya Institute of Technology, Nagoya, Japan

Masahiro Uchida

Affiliation Department of Gastroenterology, Faculty of Medicine, Oita University, Oita, Japan

Tomohisa Uchida

Affiliation Department of Molecular Pathology, Faculty of Medicine, Oita University, Oita, Japan

Naoki Hijiya

Affiliation Department of Molecular Pathology, Faculty of Medicine, Oita University, Oita, Japan

Chisato Nakada

Affiliation Department of Molecular Pathology, Faculty of Medicine, Oita University, Oita, Japan

Tadayoshi Okimoto

Affiliations Department of General Medicine, Faculty of Medicine, Oita University, Oita, Japan, Department of Gastroenterology, Faculty of Medicine, Oita University, Oita, Japan

Masaaki Kodama

Affiliations Department of General Medicine, Faculty of Medicine, Oita University, Oita, Japan, Department of Gastroenterology, Faculty of Medicine, Oita University, Oita, Japan

Kazunari Murakami

Affiliations Department of General Medicine, Faculty of Medicine, Oita University, Oita, Japan, Department of Gastroenterology, Faculty of Medicine, Oita University, Oita, Japan

Keiko Matsuura

Affiliation Department of Molecular Pathology, Faculty of Medicine, Oita University, Oita, Japan

Masao Seto

Affiliation Division of Molecular Medicine, Aichi Cancer Center Research Institute, Nagoya, Japan

Hisao Ito

Affiliation Division of Organ Pathology, Department of Microbiology and Pathology, Faculty of Medicine, Tottori University, Yonago, Japan

Toshio Fujioka

Affiliations Department of General Medicine, Faculty of Medicine, Oita University, Oita, Japan, Department of Gastroenterology, Faculty of Medicine, Oita University, Oita, Japan

Masatsugu Moriyama

Affiliation Department of Molecular Pathology, Faculty of Medicine, Oita University, Oita, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AK YT CN. Performed the experiments: AK LTN MU CN. Analyzed the data: YT IT TU. Contributed reagents/materials/analysis tools: TN NH. Wrote the paper: YT NH TO MK K. Murakami K. Matsuura MS HI TF MM.