About the Authors

Kazumichi Abe

Roles Conceptualization, Data curation, Formal analysis, Investigation, Writing – original draft, Writing – review & editing

k-abe@fmu.ac.jp

Affiliations Department of Gastroenterology, Fukushima Medical University School of Medicine, Fukushima, Japan, Department of Internal Medicine, Hanawa Kosei Hospital, Higashishirakawa, Japan

Hiroto Wakabayashi

Roles Investigation

Affiliation Department of Gastroenterology, Takeda General Hospital, Aizuwakamatsu, Japan

Haruo Nakayama

Roles Investigation

Affiliation Department of Gastroenterology, Iwaki City Medical Center, Iwaki, Japan

Tomohiro Suzuki

Roles Investigation

Affiliation Department of Gastroenterology, Fukushima Rosai Hospital, Iwaki, Japan

Masahito Kuroda

Roles Investigation

Affiliation Department of Gastroenterology, Fukushima Red Cross Hospital, Fukushima, Japan

Naoe Yoshida

Roles Investigation

Affiliation Department of Internal Medicine, Iwase General Hospital, Sukagawa, Japan

Jun Tojo

Roles Investigation

Affiliation Cosmos Clinic, Koriyama, Japan

Atsuko Kogure

Roles Investigation

Affiliation Department of Gastroenterology, Fujita General Hospital, Date, Japan

Tsuyoshi Rai

Roles Investigation

Affiliation Rai Clinic, Miharu, Japan

Hironobu Saito

Roles Investigation

Affiliation Rai Clinic, Miharu, Japan

Shinji Mukai

Roles Investigation

Affiliation Department of Gastroenterology, Ohta Nishinouchi Hospital, Koriyama, Japan

Masashi Fujita

Roles Investigation

Affiliation Department of Gastroenterology, Fukushima Medical University School of Medicine, Fukushima, Japan

Manabu Hayashi

Roles Investigation

Affiliation Department of Gastroenterology, Fukushima Medical University School of Medicine, Fukushima, Japan

Atsushi Takahashi

Roles Investigation

Affiliation Department of Gastroenterology, Fukushima Medical University School of Medicine, Fukushima, Japan

Hiromasa Ohira

Roles Conceptualization, Writing – review & editing

Affiliation Department of Gastroenterology, Fukushima Medical University School of Medicine, Fukushima, Japan

Competing Interests

Rai Clinic provided support in the form of salaries for authors TR and HS. Cosmos Clinic provided support in the form of salary for author JT. This does not alter our adherence to PLOS ONE policies on sharing data and materials. There are no patents, products in development or marketed products to declare.