1. Department of Food Bioscience and Biotechnology, College of Bioresource Sciences, Nihon University, 1866 Kameino Fujisawa-shi, Kanagawa 252-0880, Japan
2. Research Center for Food Safety, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
3. Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
4. Department of Applied Biological Science, College of Bioresource Sciences, Nihon University, 1866 Kameino Fujisawa-shi, Kanagawa 252-0880, Japan