1. Mibyou Medical Research Center, Institute of Preventive Medicine, Tokyo, Japan
2. Department of Immunology, School of Medicine, Juntendo University School of Medicine, Tokyo, Japan
3. Laboratory for Immunopharmacology of Microbial Products, School of Pharmacy, Tokyo University of Pharmacy and Life Science, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan
4. Department of Acupuncture and Moxibustion, Suzuka University of Medical Science and Mie, Japan
5. Toei Pharmaceutical Co., Ltd., Tokyo, Japan