University of Melbourne - Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne - Faculty of Medicine, Dentistry and Health Sciences, World Health Organization (WHO) - Global HIV, Hepatitis and STI Programme, World Health Organization (WHO) - Global HIV, Hepatitis and STI Programme, World Health Organization (WHO) - Global HIV, Hepatitis and STI Programme, World Health Organization (WHO) - Global HIV, Hepatitis and STI Programme, Alfred Health - Melbourne Sexual Health Centre, Alfred Health - Melbourne Sexual Health Centre, Public Health Service of Amsterdam - Department of Infectious Diseases, University of Southern California - Keck School of Medicine, Xi'an Jiaotong University (XJTU) - China-Australia Joint Research Center for Infectious Diseases and Alfred Health - Melbourne Sexual Health Centre