Institution: | (1) Department of Immunology and Parasitology, Fukui Medical School, Matsuoka, Fukui, 910–1193, Japan E-mail: tomonari@fmsrsa.fukui-med.ac.jp, Tel.: +81-776-613111, Fax: +81-776-618105, JP;(2) Minase Research Institute, Ono Pharmaceutical Co., Ltd., 3-1-1 Sakurai Shimamoto-cho, Mishima-gun, Osaka, 618, Japan, JP |