1. Wellcome Trust Major Overseas Program Oxford University Clinical Research Unit Ho Chi Minh City Vietnam
2. Hospital for Tropical Diseases Ho Chi Minh City Vietnam
3. Department of Microbiology and Immunology Peter Doherty Institute for Infection and Immunity University of Melbourne Melbourne VIC Australia
4. Hawaii Center for AIDS University of Hawaii at Manoa Honolulu HI USA
5. Centre for Tropical Medicine Nuffield Department of Clinical Medicine Oxford University Oxford UK