1. Department of Medicine, University of Washington, Seattle, Washington, USA
2. Brotman Baty Institute, Seattle, Washington, USA
3. Department of Biostatistics, University of Washington, Seattle, Washington, USA
4. Kaiser Permanente Washington Health Research Institute, Seattle, Washington, USA
5. Centers for Disease Control and Prevention, Atlanta, Georgia, USA
6. Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
7. Department of Genome Sciences, University of Washington, Seattle, Washington, USA
8. Seattle Children’s Research Institute, Seattle, Washington, USA