Institution: | 1)Fukuoka Institute of Health and Environmental Sciences, 39 Mukaizano, Dazaifu, Fukuoka 818–0135, Japan;2)Department of Bacteriology I, National Institute of Infectious Diseases, 1–23–1 Toyama, Shinjuku, Tokyo 162–8640, Japan;3)Department of Health Sciences, Faculty of Medical Sciences, Kyushu University, 3–1–1 Maidashi, Higashi-ku, Fukuoka 812–8582, Japan |