1. Department of Gastroenterology; Kobe University Graduate School of Medicine; Kobe Hyogo Japan
2. Research & Development Center; Asahi Group Holdings, Ltd; Sagamihara Kanagawa Japan
3. Department of Pathophysiology; Institute of Biomedical Sciences; Tokushima University Graduate School; Tokushima Japan
4. Department of Bioscience and Biotechnology; Faculty of Agriculture; Kyushu University; Higashi-ku Fukuoka Japan