1. Melbourne Sexual Health Centre, Alfred Health , Melbourne, Victoria , Australia
2. Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University , Melbourne, Victoria , Australia
3. Department of Infectious Diseases, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity , Melbourne, Victoria , Australia
4. Victorian Infectious Diseases Reference Laboratory, The Royal Melbourne Hospital at The Peter Doherty Institute for Infection and Immunity , Melbourne, Victoria , Australia
5. Walter and Eliza Hall Institute , Melbourne, Victoria , Australia
6. Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne , Melbourne, Victoria , Australia