1. Respiratory Diseases Branch, Centers for Disease Control and Prevention, Atlanta, Georgia
2. Connecticut Department of Public Health, Hartford
3. New Mexico Department of Public Health, Santa Fe
4. California Emerging Infections Program, Oakland
5. Colorado Department of Public Health and Environment, Denver
6. Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
7. Minnesota Department of Health, St Paul
8. New York State Department of Health, Albany
9. Vanderbilt University School of Medicine, Nashville, Tennessee
10. Oregon Department of Human Services, Portland
11. Emory University School of Medicine, Atlanta, Georgia
12. Atlanta VA Medical Center, Atlanta, Georgia