1. Health Information and Quality Authority (HIQA) Dublin Ireland
2. Department of Health Policy & Management School of Medicine Trinity College Dublin Dublin Ireland
3. Department of Pharmacology & Therapeutics Trinity College Dublin Trinity Health Sciences Dublin Ireland
4. European Centre for Disease Prevention and Control EU/EEA National Immunisation Technical Advisory Group (NITAG) Collaboration on Newer and Enhanced Inactivated Seasonal Influenza Vaccines Solna Sweden
5. Public Health Agency of Sweden Solna Sweden
6. General Directorate of Public Health and Addictions IMIB‐Arrixaca Murcia University Region of Murcia Spain
7. Division of Infection Control and Environmental Health Norwegian Institute of Public Health Oslo Norway
8. European Centre for Disease Prevention and Control Stockholm Sweden
9. National Institute for Public Health and the Environment Center for Infectious Disease Control Bilthoven The Netherlands
10. Statens Serum Institut Copenhagen Denmark
11. Finnish Institute for Health and Welfare Helsinki Finland
12. Pediatric Research Laboratory School of Health Sciences Faculty of Nursing National & Kapodistrian University of Athens Goudi Greece
13. National Advisory Committee on Immunisation Hellenic Ministry of Health Athens Greece
14. Institute of Epidemiology & Health University College London London UK
15. Vigilancia de Enfermedades Prevenibles por Vacunación Centro Nacional de Epidemiología Instituto de Salud Carlos III Ministerio de Ciencia e Innovación Madrid Spain
16. Immunization Unit Robert Koch‐Institute Berlin Germany