About the Authors

Tomohisa Uchida

Affiliation Department of Molecular Pathology, Oita University Faculty of Medicine, Hasama-machi, Yufu-City, Oita, Japan

Muhammad Miftahussurur

Affiliations Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, Hasama-machi, Yufu-City, Oita, Japan, Institute of Tropical Disease, Airlangga University, Surabaya, Indonesia

Rapat Pittayanon

Affiliation Division of Gastroenterology, Chulalongkorn University, Bangkok, Thailand

Ratha-korn Vilaichone

Affiliation Gastroenterology Unit, Thammasat University Hospital, Pathumthani, Thailand

Naruemon Wisedopas

Affiliation Department of Pathology, Chulalongkorn University Hospital, Bangkok, Thailand

Thawee Ratanachu-ek

Affiliation Department of Surgery, Rajavithi Hospital, Bangkok, Thailand

Tetsuko Kishida

Affiliation Department of Forensic Medicine, Oita University Faculty of Medicine, Hasama-machi, Yufu-City, Oita, Japan

Masatsugu Moriyama

Affiliation Department of Molecular Pathology, Oita University Faculty of Medicine, Hasama-machi, Yufu-City, Oita, Japan

Yoshio Yamaoka

yyamaoka@oita-u.ac.jp (YY); vmahachai@gmail.com (VM)

Affiliations Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, Hasama-machi, Yufu-City, Oita, Japan, Department of Medicine-Gastroenterology, Baylor College of Medicine and Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas, United States of America

Varocha Mahachai

yyamaoka@oita-u.ac.jp (YY); vmahachai@gmail.com (VM)

Affiliation Gastrointestinal and Liver Center, Bangkok Medical Center, Bangkok, Thailand

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: VM TU. Performed the experiments: TU M. Miftahussurur. Analyzed the data: TU M. Miftahussurur NW YY. Contributed reagents/materials/analysis tools: RP RV TR. Wrote the paper: VM NW M. Moriyama TK YY. Data collection: RP RV TR.