1. Division of Infectious Diseases, Department of Pediatrics, Faculty of Medicine; University of British Columbia, BC Children's Hospital; Vancouver British Columbia Canada
2. Group A Streptococcus Research Group; Murdoch Children's Research Institute; Melbourne Victoria Australia
3. Department of Paediatrics; University of Melbourne; Melbourne Victoria Australia
4. Infectious Diseases Unit; Royal Children's Hospital; Melbourne Victoria Australia
5. Department of Paediatric Infection and Immunity; Monash Children's Hospital; Melbourne Victoria Australia
6. Division of Infectious Diseases, Faculty of Medicine; University of British Columbia; Vancouver British Columbia Canada
7. Division of Infectious Diseases, Faculty of Medicine; King Abdulaziz University; Jeddah Saudi Arabia
8. Department of Pathology and Laboratory Medicine; BC Children's Hospital; Vancouver British Columbia Canada
9. Department of Pathology and Laboratory Medicine; University of British Columbia; Vancouver British Columbia Canada
10. Division of Dermatology, Department of Pediatrics, Faculty of Medicine; University of British Columbia, BC Children's Hospital; Vancouver British Columbia Canada