1. Medical Scientist Training Program, School of Medicine, University of Washington, Seattle, Washington, USA
2. Molecular and Cellular Biology, School of Medicine, University of Washington, Seattle, Washington, USA
3. Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
4. Department of Epidemiology, School of Public Health, University of Washington, Seattle, Washington, USA
5. Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, Washington, USA
6. Department of Microbiology, Immunology & Infectious Diseases, University of Calgary, Calgary, Alberta, Canada
7. Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada
8. Division of Infectious Diseases, Department of Medicine, University of Alabama School of Medicine, Birmingham, Alabama, USA