Institution: | (1) Pharmaceutical Research Laboratories, Sapporo Breweries Ltd., 10 Okatohme, Yaizu, 425 Shizuoka, Japan;(2) Department of Immunology, Medical Institute of Bioregulation, Kyushu University, 812 Fukuoka, Japan;(3) Laboratory of Germ Free Life, Research Institute for Disease Mechanism and Control, School of Medicine, Nagoya University, 466 Nagoya, Japan |