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Sharon T Cameron, Anna Glasier, Lisa McDaid, Andrew Radley, Susan Patterson, Paula Baraitser, Judith Stephenson, Richard Gilson, Claire Battison, Kathleen Cowle, Thenmalar Vadiveloo, Anne Johnstone, Alessandra Morelli, Beatriz Goulao, Mark Forrest, Alison McDonald & John Norrie.

Sharon T Cameron ^1,2,*, Anna Glasier ¹, Lisa McDaid ^3,4, Andrew Radley ^5,6, Susan Patterson ⁴, Paula Baraitser ⁷, Judith Stephenson ⁸, Richard Gilson ⁹, Claire Battison ¹⁰, Kathleen Cowle ¹¹, Thenmalar Vadiveloo ¹², Anne Johnstone ¹, Alessandra Morelli ⁷, Beatriz Goulao ¹², Mark Forrest ¹², Alison McDonald ¹², John Norrie ¹⁰

¹ Obstetrics and Gynaecology, University of Edinburgh, Edinburgh, UK
² Sexual and Reproductive Health, NHS Lothian, Edinburgh, UK
³ Institute for Social Science Research, The University of Queensland, Brisbane, QLD,
⁴ Medical Research Council/Chief Scientist Office Social and Public Health Sciences Unit, University of Glasgow, Glasgow, UK
⁵ Directorate of Public Health, NHS Tayside, Dundee, UK
⁶ Division of Cardiovascular Medicines and Diabetes, Ninewells Hospital and Medical School, Dundee, UK
⁷ Department of Sexual Health, King’s College Hospital NHS Foundation Trust, London, UK
⁸ Elizabeth Garrett Anderson Institute for Women’s Health, University College London, London, UK
⁹ Institute for Global Health, University College London, London, UK
¹⁰ Edinburgh Clinical Trials Unit, Usher Institute, University of Edinburgh, Edinburgh, UK
¹¹ Community pharmacy, NHS Forth Valley, , UK
¹² Health Services Research Unit, University of Aberdeen, Aberdeen, UK
^* Corresponding author Email: sharon.cameron@ed.ac.uk

Declared competing interests of authors: Anna Glasier is a member of the HRA Pharma’s (London, UK) scientific advisory board. Lisa McDaid and Susan Patterson are funded by the UK Medical Research Council (London, UK) and Scottish Government Chief Scientist Office (Edinburgh, UK) at the Medical Research Council/Chief Scientist Office Social and Public Health Sciences Unit, University of Glasgow (Glasgow, UK) (MC_UU_12017/11, SPHSU11). Andrew Radley holds research grants, educational grants and consultancy with Gilead Sciences, Inc. (Foster City, CA, USA), research grants from Roche (Basel, Switzerland) and Bristol Myers Squibb™ (New York, NY, USA), and educational grants from AbbVie (North Chicago, IL, USA). Paula Baraitser is a clinical director of the not-for profit community interest company SH:24 (London, UK), which provides online sexual health services in partnership with the NHS. Kathleen Cowle was an employee of Boots UK (Nottingham, UK) during the course of the study. Alessandra Morelli was a clinical bank midwife of the not-for-profit community interest company SH:24 (October 2019–January 2021). She is also a research midwife at the University of Oxford (Oxford, UK). John Norrie is deputy chairperson of the National Institute for Health Research Health Technology Assessment General Board Committee. He was a member of the Health Technology Assessment and Efficacy and Mechanism Evaluation Editorial Board (2014–19).