1. Department of Medicine; University of Washington; Seattle Washington
2. Vaccine and Infectious Diseases Division; Fred Hutchinson Cancer Research Center; Seattle Washington
3. Department of Laboratory Medicine; University of Washington; Seattle Washington
4. Program in Biostatistics; Fred Hutchinson Cancer Research Center; Seattle Washington
5. Department of Medical Microbiology; University of Nairobi; Nairobi Kenya
6. PathCare; Mombasa Kenya
7. Department of Epidemiology; University of Washington; Seattle Washington
8. Department of Global Health; University of Washington; Seattle Washington