1. Centre for Big Data Research in Health, Faculty of Medicine UNSW Sydney Sydney Australia
2. Infection and Immunity, Murdoch Children's Research Institute Royal Children's Hospital Parkville Australia
3. Department of Paediatrics University of Melbourne Parkville Australia
4. Children's Hospital at Westmead Clinical School, Faculty of Medicine and Health University of Sydney Sydney Australia
5. Menzies Centre for Health Policy and Economics, Faculty of Medicine and Health University of Sydney Sydney Australia
6. WHO Collaborating Centre for Reference and Research on Influenza, Royal Melbourne Hospital, and Department of Infectious Diseases, University of Melbourne at the Peter Doherty Institute for Infection and Immunity Melbourne Australia
7. Centre of Public Health Sciences, Faculty of Medicine University of Iceland Reykjavik Iceland