Institution: | (1) Dept. of Immunology, Mitsubishi Kasei Institute of Life Sciences, Machida-shi, 194 Tokyo, Japan;(2) Dept. of Bioengineering, Tokyo Institute of Technology, Nagatsuda, 244 Yokohama-shi, Japan;(3) Present address: Dept. of Food Science, The National Institute of Health and Nutrition, 1-23-1 Toyama, Shinjuku, 162 Tokyo, Japan |