1. Department of Cell Pathology, Graduate School of Medical Sciences, Kumamoto University, Honjo 1-1-1, Kumamoto 860-8556, Kumamoto, Japan
2. Department of Natural Medicine, Graduate School of Pharmaceutical Sciences, Kumamoto University, Oe-honmachi 5-1, Kumamoto 862-0973, Kumamoto, Japan
3. Department of Food and Nutrition, Laboratory of Nutritional Science and Biochemistry, Japan Women’s University, 2-8-1 Mejirodai, Bunkyo-ku, Tokyo 112-8681, Japan