1. SAMRC Centre for Health Economics and Decision Science—PRICELESS SA, School of Public Health, Faculty of Health Sciences University of the Witwatersrand Johannesburg South Africa
2. Health Economics and Health Technology Assessment, Institute of Health and Wellbeing University of Glasgow Glasgow UK
3. Influenza Division Centers for Disease Control and Prevention Atlanta Georgia USA
4. Influenza Program Centers for Disease Control and Prevention Pretoria South Africa
5. MassGenics Duluth Georgia USA
6. School of Public Health, Faculty of Health Sciences University of the Witwatersrand Johannesburg South Africa
7. US Public Health Service Rockville Maryland USA
8. Department of Immunization, Vaccines and Biologicals World Health Organization Geneva Switzerland
9. Communicable Disease Cluster National Department of Health Pretoria South Africa
10. Centre for Respiratory Diseases and Meningitis National Institute for Communicable Diseases of the National Health Laboratory Service Johannesburg South Africa
11. Health Economics and Epidemiology Research Office, Department of Internal Medicine, School of Clinical Medicine, Faculty of Health Sciences University of the Witwatersrand Johannesburg South Africa