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Julia V Bailey, Rosie Webster, Rachael Hunter, Mark Griffin, Nicholas Freemantle, Greta Rait, Claudia Estcourt, Susan Michie, Jane Anderson, Judith Stephenson, Makeda Gerressu, Chee Siang Ang & Elizabeth Murray.

Julia V Bailey ^1,*, Rosie Webster ¹, Rachael Hunter ², Mark Griffin ², Nicholas Freemantle ², Greta Rait ², Claudia Estcourt ³, Susan Michie ⁴, Jane Anderson ⁵, Judith Stephenson ⁶, Makeda Gerressu ⁷, Chee Siang Ang ⁸, Elizabeth Murray ¹

¹ E-Health unit, Research Department of Primary Care and Population Health, University College London, London, UK
² PRIMENT Clinical Trials Unit, Research Department of Primary Care and Population Health, University College London, London, UK
³ Barts and The London School of Medicine and Dentistry, Barts Sexual Health Centre, Queen Mary University of London, St Bartholomew’s Hospital, London, UK
⁴ Research Department of Clinical, Educational and Health Psychology, University College London, London, UK
⁵ Homerton Sexual Health Services, Homerton Teaching Hospitals, London, UK
⁶ Department of Reproductive Health, Institute for Women’s Health, University College London, London, UK
⁷ Department of Infection and Population Health, University College London, London, UK
⁸ Engineering and Digital Arts, University of Kent, Kent, UK
^* Corresponding author Email: Julia.bailey@ucl.ac.uk