1. Rheumatology Department; Starship Children's Hospital; Auckland New Zealand
2. Paediatrics Child and Youth Health; University of Auckland; Auckland New Zealand
3. General Medicine; The Sydney Children's Hospitals Network; New South Wales Australia
4. Department of Paediatrics and Child Health; University of Sydney; Sydney New South Wales Australia
5. Department of Child and Maternal Health; University of New South Wales; Sydney New South Wales Australia