1. Department of Bioscience and Bioinformatics, Kyushu Institute of Technology, 680-4 Kawazu, Iizuka, Fukuoka 820-8502, Japan
2. Research & Development Headquarters, House Foods Group Inc., 1-4 Takanodai, Yotsukaido, Chiba 284-0033, Japan
3. Graduate School of Medicine, Dentistry and Pharmaceutical Science, Okayama University, Shikata-cho, Kita-ku, Okayama 700-8558, Japan
4. Graduate School of Informatics, Nagoya University, Chikusa, Nagoya, Aichi 464-8601, Japan