1. Monash Infectious Diseases, Monash Health, Melbourne, VIC.
2. Department of Medicine, Southern Clinical School, Monash University, Melbourne, VIC.
3. Department of Infectious Diseases, Austin Health, Melbourne, VIC.
4. Infection Control and Epidemiology, Monash Medical Centre, Monash Health, Melbourne, VIC.
5. Department of Medicine, University of Melbourne, Melbourne, VIC.