About the Authors

Tatsuyuki Tonan

Contributed equally to this work with: Tatsuyuki Tonan, Kiminori Fujimoto

Affiliation Department of Radiology, Kurume University School of Medicine, Kurume University Hospital, Kurume, Fukuoka, Japan

Kiminori Fujimoto

Contributed equally to this work with: Tatsuyuki Tonan, Kiminori Fujimoto

kimichan@med.kurume-u.ac.jp

Affiliations Department of Radiology, Kurume University School of Medicine, Kurume University Hospital, Kurume, Fukuoka, Japan, Center for Diagnostic Imaging, Kurume University Hospital, Kurume, Fukuoka, Japan

Aliya Qayyum

Affiliation Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California, United States of America

Takumi Kawaguchi

Affiliation Department of Digestive Disease Information & Research and Department of Internal Medicine, Kurume University School of Medicine, Kurume, Fukuoka, Japan

Atsushi Kawaguchi

Affiliation Biostatics Center, Kurume University School of Medicine, Kurume, Fukuoka, Japan

Osamu Nakashima

Affiliation Department of Clinical Laboratory Medicine, Kurume University Hospital, Kurume, Fukuoka, Japan

Koji Okuda

Affiliation Department of Surgery, Department of Medicine, Kurume University School of Medicine, Kurume, Fukuoka, Japan

Naofumi Hayabuchi

Affiliation Department of Radiology, Kurume University School of Medicine, Kurume University Hospital, Kurume, Fukuoka, Japan

Michio Sata

Affiliation Division of Gastroenterology, Department of Medicine, Kurume University School of Medicine, Kurume, Fukuoka, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TT KF TK MS. Performed the experiments: TT KF TK ON. Analyzed the data: TT KF AK. Contributed reagents/materials/analysis tools: KF TK ON KO NH MS. Wrote the paper: TT KF AQ AK. Designed the software used in analysis: KF. Drafting the article or revising it critically for important intellectual content and final approval of the version to be published: TT KF AQ TK AK ON KO NH MS.