1. National Centre for Immunisation Research and Surveillance, Children’s Hospital at Westmead, Sydney, Australia;
2. Children’s Hospital Westmead Clinical School and
3. Northern Clinical School, the University of Sydney, Sydney, Australia;
4. Clinical and Population Perinatal Health Research, Kolling Institute, Northern Sydney Local Health District, Sydney, Australia;
5. Murdoch Children’s Research Institute, Royal Children’s Hospital, Parkville, Australia;
6. Department of Paediatrics, University of Melbourne, Melbourne, Australia;
7. Department of Infection and Immunity, Monash Children’s Hospital and School of Population Health and Preventive Medicine, Monash University, Clayton, Australia;
8. Department of Paediatrics, Women’s and Children’s Hospital, Adelaide, Australia;
9. Department of Paediatrics, University of Adelaide, Adelaide, Australia;
10. Telethon Kids Institute, Wesfarmers Centre of Vaccines and Infectious Disease, West Perth, Australia; and
11. Division of Paediatrics, School of Medicine, University of Western Australia, Perth, Australia