1. Melbourne Sexual Health Centre, Alfred Health, Melbourne, Victoria, Australia
2. Central Clinical School, Monash University, Melbourne, Victoria, Australia
3. Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Victoria, Australia
4. Microbiological Diagnostic Unit Public Health Laboratory, Department of Microbiology and Immunology, The University of Melbourne at The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
5. Department of Microbiology and Immunology, The University of Melbourne at The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
6. Department of Microbiology, Royal Melbourne Hospital, Victoria, Australia