1. Molecular Bacteriology Laboratory, Université Libre de Bruxelles, Brussels 1070, Belgium
2. Group A Streptococcus Research Group, Murdoch Children’s Research Institute, Melbourne 3052, VIC, Australia
3. Illawarra Health and Medical Research Institute and School of Biological Sciences, University of Wollongong, 2522, NSW, Australia
4. Australian Infectious Diseases Research Centre, School of Chemistry and Molecular Biosciences, The University of Queensland, St Lucia 4072, QLD, Australia
5. Department of Pediatrics, Academic Children Hospital Queen Fabiola, Université Libre de Bruxelles, Brussels 1020, Belgium
6. Centre for International Child Health, University of Melbourne, Melbourne 3052, VIC, Australia