1. Discipline of Paediatrics, School of Women's and Children's Health Faculty of Medicine and Health, UNSW Sydney New South Wales Australia
2. Department of Respiratory Sydney Children's Hospital, Randwick, UNSW Sydney New South Wales Australia
3. Menzies School of Health Research Darwin Northern Territory Australia
4. Prince of Wales Hospital Sydney New South Wales Australia
5. Sydney Children's Hospitals Network Sydney New South Wales Australia
6. National Centre for Immunisation Research and Surveillance (NCIRS) Sydney New South Wales Australia
7. Centre for Aboriginal Health, New South Wales Health Sydney New South Wales Australia
8. School of Public Health, University of Queensland Brisbane Queensland Australia
9. Stats Central, Mark Wainwright Analytical Centre, UNSW Sydney New South Wales Australia
10. KEMRI‐Wellcome Trust Research Programme Kilifi Kenya
11. University of Sydney Sydney New South Wales Australia
12. Yale Institute for Global Health New Haven Connecticut USA
13. Australian National University Canberra Australia