1. Division of Healthcare Quality Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
2. University of California at Berkeley, Berkeley, California, USA
3. Colorado Department of Public Health and Environment, Denver, Colorado, USA
4. Oregon Health Authority, Portland, Oregon, USA
5. New York Emerging Infections Program at the University of Rochester Medical Center, Rochester, New York, USA
6. Department of Medicine, Emory University School of Medicine and Georgia Emerging Infections Program, Atlanta, Georgia, USA
7. Minnesota Department of Health, St. Paul, Minnesota, USA
8. Tennessee Department of Public Health, Nashville, Tennessee, USA
9. Yale School of Public Health, Connecticut Emerging Infections Program, New Haven, Connecticut, USA
10. California Emerging Infections Program, Oakland, California, USA
11. Maryland Department of Health and Mental Hygiene, Baltimore, Maryland, USA
12. University of New Mexico, New Mexico Emerging Infections Program, Albuquerque, New Mexico, USA
13. University of California, San Francisco and Zuckerberg San Francisco General Hospital and Trauma Center, San Francisco, California, USA