1. Faculty of Medicine and Health, School of Public Health The University of Sydney Sydney New South Wales Australia
2. National Centre for Immunisation Research and Surveillance Sydney New South Wales Australia
3. Faculty of Medicine and Health, Paediatrics and Child Health The University of Sydney Sydney New South Wales Australia
4. School of Medicine The University of Western Australia Perth Western Australia Australia
5. Telethon Kids Institute Perth Western Australia Australia
6. Infection Prevention and Healthcare Epidemiology Unit Alfred Health Melbourne Victoria Australia
7. School of Public Health and Preventive Medicine Monash University Melbourne Victoria Australia
8. Department of Infection Management Children's Health Queensland Hospital Brisbane Queensland Australia
9. School of Clinical Medicine The University of Queensland Brisbane Queensland Australia
10. Menzies School of Health Research Charles Darwin University Darwin Northern Territory Australia
11. Department of Paediatrics Royal Darwin Hospital Darwin Northern Territory Australia
12. Women's and Children's Health Network Adelaide South Australia Australia
13. Robinson Research Institute and Adelaide Medical School The University of Adelaide Adelaide South Australia Australia
14. Susan Wakil School of Nursing and Midwifery The University of Sydney Sydney New South Wales Australia