1. National Centre for Immunisation Research and Surveillance of Vaccine Preventable Diseases, Children’s Hospital at Westmead, Sydney, Australia
2. National Centre for Epidemiology and Population Health, Australian National University, Canberra, Australia
3. University of Sydney, Sydney, Australia
4. Centre for Disease Control, Northern Territory Department of Health, Darwin, Australia
5. Communicable Disease Epidemiology and Surveillance, Department of Health and Human Services, Melbourne, Australia
6. Centre for Infectious Diseases and Microbiology–Public Health, The Institute for Clinical Pathology and Medical Research , Westmead Hospital, Sydney, Australia
7. Public Health Microbiology, Forensic and Scientific Services, Queensland Department of Health, Coopers Plains, Australia
8. Public Health Division, Department of Health Western Australia, Perth, Australia
9. Microbiological Diagnostic Unit, Public Health Laboratory, Department of Microbiology and Immunology, University of Melbourne, Melbourne, Australia