1. Epidemic Intelligence Service and Respiratory Diseases Branch, Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
2. California Emerging Infections Program, Oakland
3. Colorado Emerging Infections Program, Denver
4. Connecticut Department of Public Health, Hartford
5. Georgia Emerging Infections Program, Atlanta
6. New Mexico Department of Health, Sante Fe
7. Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
8. Minnesota Department of Health, St. Paul
9. New York State Department of Health, Albany
10. Oregon Health Authority, Portland
11. Vanderbilt University School of Medicine, Nashville, Tennessee
12. Respiratory Diseases Branch, Division of Bacterial Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia