1. Infectious Diseases Unit and Microbiology Department, Canberra Hospital, Canberra, ACT.
2. School of Clinical Medicine, Australian National University, Canberra, ACT.
3. Infectious Diseases Department, Austin Health, Melbourne, VIC.
4. Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, VIC.
5. Department of Medicine, University of Melbourne, Melbourne, VIC.