1. AIDS Research Center, National Institute of Infectious Diseases, Tokyo, Japan
2. Shin Kaneko Laboratory, Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
3. Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo, Japan
4. Department of Medical Technology, School of Human Sciences, Tokyo University of Technology, Tokyo, Japan
5. Division of Infectious Diseases, Advanced Clinical Research Center, Institute of Medical Science, University of Tokyo, Tokyo, Japan
6. Joint Research Center for Human Retrovirus Infection, Kumamoto University, Kumamoto, Japan
7. Department of AIDS Vaccine Development, Institute of Medical Science, University of Tokyo, Tokyo, Japan