1. Victorian Infectious Diseases Reference Laboratory, Peter Doherty Institute, Melbourne
2. National Centre for Epidemiology and Public Health, Australian National University, Canberra
3. Spleen Australia, Department of Infectious Diseases, Alfred Health and Monash University
4. Victorian Government Department of Health and Human Services
5. School of Public Health and Preventive Medicine, Monash University
6. Infection Prevention and Healthcare Epidemiology Unit, Alfred Health, Melbourne, Australia