1 Central Clinical School, Monash University, Melbourne, VIC, Australia; Melbourne Sexual Health Centre, Alfred Health, Melbourne, VIC, Australia. Electronic address: jason.ong@monash.edu.
2 WHO Collaborating Centre for Gonorrhoea and other STIs, Örebro University, Örebro, Sweden; Institute for Global Health, University College London, London, UK.
3 Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, VIC, Australia.
4 Central Clinical School, Monash University, Melbourne, VIC, Australia; Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, VIC, Australia.