1. Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora
2. Department of Microbiology and Immunology, State University of New York Upstate Medical University, Syracuse
3. Department of Biostatistics and Informatics, Colorado School of Public Health, Aurora
4. Centre for Global Health Research, Kenya Medical Research Institute, Kisumu, Kenya
5. Médecins Sans Frontières, Amsterdam, The Netherlands
6. Department of Pathology, Vrije University Medical Center, Amsterdam, The Netherlands