1. School of Social and Political Sciences, Faculty of Arts, The University of Melbourne, John Medley Building, Melbourne, VIC 3010, Australia
2. Centre for Social Impact, UNSW, 704 Science Engineering Building, Sydney, NSW 2052, Australia
3. Australian Research Centre in Sex Health and Society, School of Psychology and Public Health, La Trobe University, Building NR6, Bundoora, VIC 3086, Australia
4. Queensland Positive People, 21 Manilla St., East Brisbane, QLD 4169, Australia
5. ViiV Healthcare Australia, 4/436 Johnston St., Abbotsford, VIC 3067, Australia