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