Published on in Vol 4, No 3 (2015): Jul-Sep
1 eHealth Unit, Research Department of Primary Care and Population Health, University College London, London, United Kingdom
2 Department of Infection and Population Health, University College London, London, United Kingdom
3 Research Department of Clinical, Educational, and Health Psychology, University College London, London, United Kingdom
4 BICMS, Barts and The London School of Medicine & Dentistry, Barts Sexual Health Centre, Queen Mary University of London, St Bartholomew’s Hospital, London, United Kingdom
5 Homerton Sexual Health Services, Homerton Teaching Hospitals, London, United Kingdom
6 Engineering and Digital Arts, University of Kent, Kent, United Kingdom
7 PRIMENT Clinical Trials Unit, Research Department of Primary Care and Population Health, University College London, London, United Kingdom
8 Department of Reproductive Health, Institute for Women’s Health, University College London, London, United Kingdom
†deceased