Alfred Health - Melbourne Sexual Health Centre, Xi'an Jiaotong University (XJTU) - School of Public Health, University of Toronto - Department of Health Policy, Management and Evaluation, Xi'an Jiaotong University (XJTU) - China-Australia Joint Research Center for Infectious Diseases, Gates Foundation, Xi'an Jiaotong University (XJTU) - China-Australia Joint Research Center for Infectious Diseases, Monash University - School of Public Health and Preventive Medicine, Xi'an Jiaotong University (XJTU) - China-Australia Joint Research Centre for Infectious Diseases, Xi'an Jiaotong University (XJTU) - China-Australia Joint Research Center for Infectious Diseases, The Chinese University of Hong Kong (CUHK) - Centre for Research Behaviors, Southeast University - Department of Epidemiology and Health Statistics, Shaanxi Provincial Center for Disease Control and Prevention, Xi'an Jiaotong University (XJTU) - MOE Key Lab for Intelligent Networks & Networks Security, Xi'an Jiaotong University (XJTU) - Health Science Center, Xi'an Jiaotong University (XJTU) - China-Australia Joint Research Center for Infectious Diseases and Xi'an Jiaotong University (XJTU) - China-Australia Joint Research Centre for Infectious Diseases

Xi'an Jiaotong University (XJTU) - China-Australia Joint Research Center for Infectious Diseases, The University of Hong Kong - Department of Family Medicine and Primary Care, Xi'an Jiaotong University (XJTU) - China-Australia Joint Research Centre for Infectious Diseases, The University of Hong Kong - Department of Family Medicine and Primary Care, Alfred Health - Melbourne Sexual Health Centre, World Health Organization (WHO), Xi'an Jiaotong University (XJTU) - Department of Infectious Diseases, The University of Hong Kong - Queen Mary Hospital, Xi'an Jiaotong University (XJTU) - China-Australia Joint Research Center for Infectious Diseases, The University of Hong Kong - Queen Mary Hospital and Alfred Health - Melbourne Sexual Health Centre