1. Murdoch Children’s Research Institute, Melbourne, Australia
2. Department of Paediatrics, University of Melbourne, Melbourne, Australia
3. Royal Children’s Hospital, Melbourne, Australia
4. London School of Hygiene and Tropical Medicine, London, United Kingdom
5. World Health Organization (WHO) Collaborating Center for Reference and Research on Influenza, Victorian Infectious Diseases Reference Laboratory (VIDRL), Peter Doherty Institute for Infection and Immunity, Melbourne, Australia
6. Department of Microbiology and Immunology, University of Melbourne, Australia
7. School of Population and Global Health, University of Melbourne, Australia