1. Division of Clinical Nutrition, Faculty of Nutrition, Kobe Gakuin University, Kobe 651-2180, Japan
2. Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, Sendai, Miyagi 980-8579, Japan
3. Faculty of Bioscience, Fukui Prefectural University, Fukui 910-1195, Japan
4. Tohoku University Tohoku Medical Megabank Organization, Seiryo 2-1, Sendai, Miyagi 980-8573, Japan
5. Kiyomoto Co., Ltd., 6-1633 Totoro-cho, Nobeoka, Miyazaki 889-0595, Japan