1. Department of Allergy and Immunology; Children's Hospital at Westmead; Sydney New South Wales Australia
2. Department of Rheumatology; Royal Children's Hospital; Melbourne Victoria Australia
3. University of Adelaide, Discipline of Paediatrics, Women's and Children's Hospital; Adelaide South Australia Australia
4. Queensland Paediatric Rheumatology Services; Wesley Hospital; Brisbane Queensland Australia
5. School of Maternal and Child Health; The University of New South Wales; Sydney New South Wales Australia
6. Section of Paediatrics; Imperial College London; London United Kingdom
7. Department of Dermatology; Children's Hospital at Westmead; Sydney New South Wales Australia
8. Australian Paediatric Surveillance Unit; Kids Research Institute; Sydney New South Wales Australia
9. Discipline of Paediatrics and Child Health, Sydney Medical School; The University of Sydney; Sydney New South Wales Australia
10. Department of Rheumatology; The Sydney Children's Hospital Network; Sydney New South Wales Australia