Affiliation: | Center for Southeast Asian Studies, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan;Department of Microbiology, Kyoto Prefectural Institute of Hygienic and Environmental Sciences, Murakami-cho, Fushimi-ku, Kyoto 612-8369, Japan;Department of Bacteriology, National Institute of Infectious Diseases, Toyama, Shinjuku, Tokyo 162-8640, Japan |