1. Miyazaki Prefectural Public Health Laboratory; Kitatakamatsu-cho Miyazaki 880
2. Department of Microbiology; Niigata College of Pharmacy; Kamishin'ei-cho, Niigata 950-21
3. Laboratory of Experimental Animals; Jichi Medical School; Kawachi, Tochigi 329-04
4. Department of Parasitology, Institute of Medical Science; The University of Tokyo; Minato-ku, Tokyo 108
5. Division of Virology; Kanagawa Prefecture Public Health Laboratory; Asahi-ku, Yokohama Kanagawa 241
6. 17-16-306; Kamiosaki 1-chome; Shinagawa-ku Tokyo 141