1. Department of Chemistry and Biological Science, Aoyama Gakuin University, 5-10-1 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252-5258, Japan
2. Division of Natural Sciences, College of Arts and Sciences, J. F. Oberlin University, 3758 Tokiwa-machi, Machida, Tokyo 194-0294, Japan
3. Laboratory of Bioinformatics and Systems Biology, Department of Biology, School of Arts and Sciences, National University of Mongolia, Ulaanbaatar 14201, Mongolia
4. Graduate School of Engineering, Yokohama National University,79-5 Tokiwadai, Hodogaya-ku, Yokohama, Kanagawa 240-8501, Japan