1. Department of Pediatrics, Georgetown University Medical Center, Washington, DC,
2. Clinical Research Consultant, Project Manager, ICF International Inc.
3. Research Consultant and Coordinator, ICF International Inc.
4. Department of Pediatrics and Emory Vaccine Center, School of Medicine, Emory University, Atlanta, GA,
5. Department of Pediatrics and Microbiology-Immunology and
6. International Center for Interdisciplinary Studies of Immunology, Georgetown University Medical Center, Washington, DC