1. Infection and Immunity, Murdoch Children’s Research Institute, Royal Children’s Hospital, Parkville, Victoria, Australia
2. Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia
3. Centre for International Child Health, Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia
4. Ministry of Health and Medical Services, Suva, Fiji
5. Fiji Health Sector Support Program, Suva, Fiji
6. College of Medicine Nursing and Health Sciences, Fiji National University, Suva, Fiji
7. Telethon Kids Institute, University of Western Australia, Nedlands, Western Australia, Australia
8. Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Parkville, Victoria, Australia
9. Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, United Kingdom