1. Department of Infectious Diseases and Microbiology; The Children's Hospital at Westmead; Sydney New South Wales Australia
2. Discipline of Paediatrics and Child Health; Sydney Medical School; University of Sydney; Sydney New South Wales Australia
3. Marie Bashir Institute for Infectious Diseases and Biosecurity (MBI); University of Sydney; Sydney New South Wales Australia
4. Department of Neurology; The Children's Hospital at Westmead; Sydney New South Wales Australia