1. Department of Health Systems and Populations, Macquarie University , Sydney, New South Wales , Australia
2. The Kirby Institute, UNSW Sydney , Sydney, New South Wales , Australia
3. Department of Sexual Health Medicine and Sexual Assault Medical Service, Sydney Local Health District, and Central Clinical School, Faculty of Medicine and Health, The University of Sydney , Sydney, New South Wales , Australia
4. Western Sydney Sexual Health Centre & Sydney Medical School–Westmead, University of Sydney , Sydney, New South Wales , Australia
5. Clinic 16, St Leonards , Sydney, New South Wales , Australia
6. East Sydney Doctors , Darlinghurst, Sydney, New South Wales , Australia
7. Kirketon Road Centre , Kings Cross, Sydney, New South Wales , Australia