1. Influenza Division; Centers for Disease Control and Prevention; Atlanta Georgia
2. Oak Ridge Institute for Science and Education; Oak Ridge, Tennessee
3. Department of Molecular Virology and Microbiology; Baylor College of Medicine; Houston, Texas
4. Department of Pediatrics; Baylor College of Medicine; Houston Texas
5. Group Health Research Institute; Seattle Washington
6. Marshfield Clinic Research Foundation; Marshfield Wisconsin
7. Department of Epidemiology; University of Michigan School of Public Health; Ann Arbor, Michigan
8. Department of Pathology; University of Pittsburgh; Pittsburgh, Pennsylvania
9. Scott and White Healthcare; Temple, Texas