1. Division of Pathophysiological and Experimental Pathology, Department of Pathology Kyushu University Fukuoka 812-8582 Japan
2. Department of General Surgery and Science Kyushu University Fukuoka 812-8582 Japan
3. Department of Cardiovascular Medicine, Graduate School of Medical Sciences Kyushu University Fukuoka 812-8582 Japan
4. DNAVEC Research, Inc. Tsukuba-City Ibaraki Japan
5. Department of Viral Infection and Vaccine Control National Institute for Infectious Diseases Tokyo Japan
6. AIDS Research Center National Institute for Infectious Diseases Tokyo Japan