1. Department of Epidemiology; University of Washington; Seattle WA USA
2. Department of Pathology; University of Washington; Seattle WA USA
3. Department of Global Health; University of Washington; Seattle WA USA
4. Department of Pediatrics; Cincinnati Children's Hospital Medical Center; Cincinnati OH USA
5. Department of Environmental Health; Cincinnati Children's Hospital Medical Center; Cincinnati OH USA
6. Human Biology; Fred Hutchinson Cancer Research Center; Seattle WA USA
7. Center for Global Infectious Disease Research; Seattle Children's Research Institute; Seattle WA USA
8. Department of Pediatrics; University of Washington; Seattle WA USA