1. Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
2. Faculty of Nursing Science, Suzuka University of Medical Science, Suzuka, Mie 513-8670, Japan
3. Department of Environmental and Molecular Medicine, Mie University Graduate School of Medicine, Tsu, Mie 514-8507, Japan
4. Division of Gastroenterology, Tohoku University Hospital, Sendai 980-8574, Japan
5. Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science, Suzuka, Mie 513-8670, Japan