1. Graduate School of Environmental and Life Science, Okayama University, Okayama, Japan
2. College of Agriculture and Forestry, Hue University, Hue, Vietnam
3. Foundation for Advancement of International Science, Ibaraki, Japan
4. Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
5. Fundamental Laboratory, Ohayo Dairy Products Co., Ltd., Okayama, Japan