1. Experimental Retrovirology Section, HIV and AIDS Malignancy Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
2. Department of Refractory Viral Infection, National Center for Global Health and Medicine Research Institute, Tokyo, Japan
3. Department of Chemistry, Purdue University, West Lafayette, Indiana, USA
4. Department of Medicinal Chemistry, Purdue University, West Lafayette, Indiana, USA
5. Department of Rheumatology, Kumamoto University Graduate School of Medical Sciences, Kumamoto, Japan
6. Department of Hematology, Kumamoto University Graduate School of Medical Sciences, Kumamoto, Japan