About the Authors

Lorraine Yap

l.yap@unsw.edu.au

Affiliation Kirby Institute, University of New South Wales, Sydney, New South Wales, Australia

Tony Butler

Affiliation Kirby Institute, University of New South Wales, Sydney, New South Wales, Australia

Juliet Richters

Affiliation School of Public Health and Community Medicine, University of New South Wales, Sydney, New South Wales, Australia

Eva Malacova

Affiliation School of Population Health, University of Western Australia, Perth, Western Australia, Australia

Handan Wand

Affiliation Kirby Institute, University of New South Wales, Sydney, New South Wales, Australia

Anthony M. A. Smith

Affiliation Australian Research Centre for Sex, Health and Society, La Trobe University, Melbourne, Victoria, Australia

Luke Grant

Affiliation Offender Services and Programs, New South Wales Department of Corrective Services, Sydney, New South Wales, Australia

Alun Richards

Affiliation Communicable Diseases Unit, Chief Health Officer Branch, Queensland Health, Brisbane, Queensland, Australia

Basil Donovan

Affiliations Kirby Institute, University of New South Wales, Sydney, New South Wales, Australia, Sydney Sexual Health Centre, Sydney Hospital, Sydney, New South Wales, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Official access to sites and recruitment: LG AR. Analyzed the data: LY TB JR EM HW AS BD. Contributed reagents/materials/analysis tools: LY TB JR EM HW AS BD. Wrote the paper: LY TB JR HW AS BD.