1. Department of Retrovirology, Armed Forces Research Institute of Medical Sciences (AFRIMS), Bangkok, Thailand 10400.
2. The Thai Red Cross AIDS Research Centre, Bangkok, Thailand 10330.
3. Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand 10330.
4. South East Asia Research Collaboration with Hawaii (SEARCH), Bangkok, Thailand 10330.
5. Henry M. Jackson Foundation for the Advancement of Military Medicine, Rockville, Maryland 20850.
6. Bill & Melinda Gates Foundation, Seattle, Washington 98102.
7. Division of Retrovirology, Walter Reed Army Institute of Research/U.S. Military HIV Research Program (MHRP), Rockville, Maryland 20850.