Institution: | 1. Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Chiyoda‐ku, Tokyo 101‐0062 (Japan);2. School of Biomedical Science, Tokyo Medical and Dental University, Chiyoda‐ku, Tokyo 101‐0062 (Japan), Fax: (+81)?3‐5280‐8036;3. AIDS Research Center, National Institute of Infectious Diseases, Shinjuku‐ku, Tokyo 162‐8640 (Japan) |