1. The Kirby Institute UNSW Sydney Sydney NSW Australia
2. Centre for Big Data Research in Health UNSW Sydney Sydney NSW Australia
3. Department of Health Systems and Populations Faculty of Medicine and Health Science Macquarie University Sydney NSW Australia
4. Department of Sexual Health Medicine and Sexual Assault Medical Service Sydney Local Health District Camperdown NSW Australia
5. Discipline of Medicine Central Clinical School Faculty of Medicine and Health The University of Sydney Sydney NSW Australia