1. Division of Healthcare Quality Promotion, Centers for Disease Control and Prevention , Atlanta, Georgia , USA
2. Division of Disease Control and Public Health Response, Colorado Department of Public Health and Environment , Denver, Colorado , USA
3. Minnesota Department of Health , St. Paul, Minnesota , USA
4. New York State Department of Health , Albany, New York , USA
5. University of Rochester Medical Center , Rochester, New York , USA
6. Public Health Division, Oregon Health Authority , Portland, Oregon , USA
7. Oregon Health and Science University , Portland, Oregon , USA
8. National Institutes of Health, National Institute of Allergy and Infectious Diseases , Bethesda, Maryland , USA
9. University of South Florida College of Public Health & Morsani College of Medicine , Tampa, Florida , USA