1Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan.
2Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan.
3Department of Bacteriology II, National Institute of Infectious Diseases, Tokyo, Japan.
4Graduate School of Frontier Sciences, University of Tokyo, Chiba, Japan.
5Faculty of Science and Engineering, Waseda University, Tokyo, Japan.
© Copyright 2018. Korean Association for the Study of Intestinal Diseases.
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