1. US Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring
2. Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland
3. SEARCH, Thai Red Cross AIDS Research Centre, Bangkok, Thailand
4. Department of Retrovirology, Armed Forces Research Institute of Medical Sciences, Bangkok, Thailand
5. Centre de Recherche du CHUM and Department of Microbiology, Infectiology and Immunology, Université de Montréal, Quebec, Canada
6. National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland
7. Department of Internal Medicine, McGovern Medical School, University of Texas Health Science Center at Houston, Maryland
8. Virus Isolation and Serological Laboratory, National Cancer Institute at Frederick, Maryland
9. Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
10. Memory and Aging Center, Department of Neurology, University of California, San Francisco School of Medicine, New Haven, Connecticut
11. Department of Neurology, Yale University School of Medicine, New Haven, Connecticut
12. Department of Global Health, University of Amsterdam, The Netherlands