1. Laboratory of Malaria Immunology and Vaccinology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA
2. Department of Cellular Immunology, Malaria Biologics Branch, Walter Reed Army Institute of Research, Silver Spring, Maryland, USA
3. Epidemiology Unit, Laboratory of Clinical Infectious Disease, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA