1. Department of Medical Chemistry; Kagawa Nutrition University; Sakado City Japan
2. Shukutoku University; College of Nursing and Nutrition, School of Nutrition; Chiba City Japan
3. Yamanashi Gakuin University Faculty of Health and Nutrition; Kofu City Japan
4. University of Niigata Prefecture Faculty of Human Life Studies Department of Health and Nutrition; Niigata City Japan
5. Yakult Honsha Co., Ltd.; Tokyo Japan