Jason Ong, MBBS, MMed, FRACGP1, Marcus Chen, PhD2, Meredith Temple-Smith, PhD3, Andrew Grulich, PhD4, Philip Clarke, PhD5, Jennifer Hoy, PhD6, Jane Hocking, PhD7, Tim Read, PhD8, Sandra Walker, PhD9, Stuart Cook, GradCert (Public Health)9, Catriona Bradshaw, PhD8, John Kaldor, PhD4, Suzanne Garland, PhD10, Beng Eu, MBBS11, Richard Hillman, PhD12, David Templeton, PhD13, Fengyi Jin, PhD14, Sepehr Tabrizi, MS PhD FFSc(RCPA) FASM15, BK Tee, MBBS16, Chip Farmer, MBBS17 and Christopher Fairley, PhD2, 1School of Population and Global Health, University of Melbourne, Carlton, Australia, 2Melbourne Sexual Health Centre, The Alfred Hospital, Melbourne, Australia, 3General Practice and Primary Health Care Academic Centre, University of Melbourne, Carlton, Australia, 4Kirby Institute, University of New South Wales, Sydney, Australia, 5Centre for Health Policy, Programs and Economics, University of Melbourne, Carlton, Australia, 6Infectious Disease Unit, Alfred Health, Melbourne, Australia, 7Melbourne School of Population and Global Health, University of Melbourne, Carlton, Australia, 8Melbourne Sexual Health Centre, Melbourne Sexual Health Centre, Melbourne, Australia, 9Melbourne Sexual Health Centre Research Unit, Melbourne Sexual Health Centre, Carlton, Australia, 10Department of Microbiology and Infectious Diseases Laboratory Services, Royal Women's Hospital, Parkville, Australia, 11Prahran Market Clinic, Prahran, Australia, 12Western Sydney Sexual Health Centre, University of Sydney, Parramatta, Australia, 13Royal Prince Alfred Hospital, Kirby Institute, Darlinghurst, Australia, 14Kirby Institute, Kirby Institute, Darlinghurst, Australia, 15The Royal Children's and The Royal Women's Hospitals, Melbourne, Australia, 16Centre Clinic, Centre Clinic, St Kilda, Australia, 17Colorectal Unit, Alfred Health, Melbourne, Australia