About the Authors

Emma Wilson

Roles Conceptualization, Data curation, Investigation, Methodology, Project administration, Writing – original draft, Writing – review & editing

emma.wilson@lshtm.ac.uk

Affiliation Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, London, United Kingdom

Caroline Free

Roles Conceptualization, Investigation, Methodology, Supervision, Writing – original draft, Writing – review & editing

‡ These authors are joint senior authors on this work.

Affiliation Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, London, United Kingdom

Tim P. Morris

Roles Formal analysis, Methodology, Writing – review & editing

Affiliation Medical Research Council Clinical Trials Unit at UCL, London, United Kingdom

Jonathan Syred

Roles Investigation, Project administration, Writing – review & editing

Affiliation King’s Centre for Global Health and Health Partnerships, School of Population Health & Environmental Sciences, King’s College London, London, United Kingdom

Irrfan Ahamed

Roles Software, Writing – review & editing

Affiliation Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, London, United Kingdom

Anatole S. Menon-Johansson

Roles Supervision, Writing – review & editing

Affiliation Burrell Street Sexual Health Clinic, Guy’s and St Thomas’ NHS Foundation Trust, London, United Kingdom

Melissa J. Palmer

Roles Data curation, Writing – review & editing

Affiliation Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, London, United Kingdom

Sharmani Barnard

Roles Data curation, Investigation, Writing – review & editing

Affiliation King’s Centre for Global Health and Health Partnerships, School of Population Health & Environmental Sciences, King’s College London, London, United Kingdom

Emma Rezel

Roles Investigation, Writing – review & editing

Affiliation King’s Centre for Global Health and Health Partnerships, School of Population Health & Environmental Sciences, King’s College London, London, United Kingdom

Paula Baraitser

Roles Conceptualization, Funding acquisition, Investigation, Methodology, Supervision, Writing – original draft, Writing – review & editing

‡ These authors are joint senior authors on this work.

Affiliations King’s Centre for Global Health and Health Partnerships, School of Population Health & Environmental Sciences, King’s College London, London, United Kingdom, Department of Sexual Health and HIV, King’s College Hospital NHS Foundation Trust, London, United Kingdom

Competing Interests

I have read the journal's policy and the authors of this manuscript have the following competing interests: EW, SB and ER report receiving PhD studentships from Guy's and St. Thomas' charity via SH:24 (a not-for-profit community interest company); PB, ASM-J and JS report grants from Guy’s and St Thomas’ charity via SH:24 (a not-for-profit community interest company) during the conduct of the study; CF reports receiving funding for her time from Guy’s and St Thomas’ Charity paid via SH:24 (a not-for-profit community interest company). PB and ASM-J are both directors of SH:24 (a not-for-profit community interest company).