1. Drug Design and Synthesis Section, Molecular Targets and Medications Discovery Branch, Intramural Research Program, National Institute on Drug Abuse and the National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health; Department of Health and Human Services; Bethesda Maryland USA
2. Laboratory of Adjuvant and Antigen Research, U.S. Military HIV Research Program; Walter Reed Army Institute of Research; Silver Spring Maryland USA
3. U.S. Military HIV Research Program; Henry M. Jackson Foundation for the Advancement of Military Medicine; Bethesda Maryland USA