1. Department of Food Sciences and Nutrition; Mukogawa Women's University; Nishinomiya Hyogo Japan
2. Department of Food Science; Ishikawa Prefectural University; Nonoichi Ishikawa Japan
3. Research Foundation for Microbial Diseases of Osaka University; Suita, Osaka Japan
4. Sanyo, Co., Ltd; Kobe Japan
5. Genomics Program; Nagahamabio Institute of Bio-Science and Technology; Nagahama Shiga Japan