About the Authors

Mitzy Gafos

m.gafos@ucl.ac.uk

Affiliation Medical Research Council Clinical Trials Unit, Institute of Clinical Trials & Methodology, University College London, London, United Kingdom

Elizabeth Brodnicki

Affiliation Medical Research Council Clinical Trials Unit, Institute of Clinical Trials & Methodology, University College London, London, United Kingdom

Monica Desai

Affiliation HIV/STI Department, Public Health England, London, United Kingdom

Sheena McCormack

Affiliations Medical Research Council Clinical Trials Unit, Institute of Clinical Trials & Methodology, University College London, London, United Kingdom, Directorate of HIV and GU medicine, Chelsea and Westminster Hospital NHS Foundation Trust, London, United Kingdom

Will Nutland

Affiliation Sigma research, London School of Hygiene & Tropical Medicine, London, United Kingdom

Sonali Wayal

Affiliation Centre for Sexual Health and HIV Research, Mortimer Market Centre, London, United Kingdom

Ellen White

Affiliation Medical Research Council Clinical Trials Unit, Institute of Clinical Trials & Methodology, University College London, London, United Kingdom

Gemma Wood

Affiliation Medical Research Council Clinical Trials Unit, Institute of Clinical Trials & Methodology, University College London, London, United Kingdom

Tristan Barber

Affiliation Directorate of HIV and GU medicine, Chelsea and Westminster Hospital NHS Foundation Trust, London, United Kingdom

Gill Bell

Affiliation Sheffield Health, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom

Amanda Clarke

Affiliation Claude Nichol Centre, Royal Sussex County Hospital, Brighton, United Kingdom

David Dolling

Affiliation Medical Research Council Clinical Trials Unit, Institute of Clinical Trials & Methodology, University College London, London, United Kingdom

David Dunn

Affiliation Medical Research Council Clinical Trials Unit, Institute of Clinical Trials & Methodology, University College London, London, United Kingdom

Julie Fox

Affiliation Guy’s and St Thomas’ NHS Foundation Trust, London, United Kingdom

Lewis Haddow

Affiliations Centre for Sexual Health and HIV Research, Mortimer Market Centre, London, United Kingdom, Research Department of Infection and Population Health, University College London, London, United Kingdom

Charles Lacey

Affiliation York Hospitals NHS Foundation Trust, York, United Kingdom

Anthony Nardone

Affiliation HIV/STI Department, Public Health England, London, United Kingdom

Killian Quinn

Affiliation King’s College Hospital NHS Foundation Trust, London, United Kingdom

Caroline Rae

Affiliation Directorate of HIV and GU medicine, Chelsea and Westminster Hospital NHS Foundation Trust, London, United Kingdom

Iain Reeves

Affiliation Department of Sexual Health, Homerton University Hospital NHS Foundation Trust, London, United Kingdom

Michael Rayment

Affiliation Directorate of HIV and GU medicine, Chelsea and Westminster Hospital NHS Foundation Trust, London, United Kingdom

David White

Affiliation Heart of England NHS Foundation Trust, Birmingham, United Kingdom

Vanessa Apea

Affiliation Ambrose King Centre, Barts Health NHS Trust, London, United Kingdom

Wilbert Ayap

Affiliation St Mary’s Hospital, Imperial College NHS Foundation Trust, London, United Kingdom

Claire Dewsnap

Affiliation Sheffield Health, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom

Yolanda Collaco-Moraes

Affiliation Medical Research Council Clinical Trials Unit, Institute of Clinical Trials & Methodology, University College London, London, United Kingdom

Gabriel Schembri

Affiliation Manchester Centre for Sexual Health, Central Manchester University Hospitals NHS Foundation Trust, Manchester, United Kingdom

Yinka Sowunmi

Affiliation Medical Research Council Clinical Trials Unit, Institute of Clinical Trials & Methodology, University College London, London, United Kingdom

Rob Horne

Affiliation School of Pharmacy, University College London, London, United Kingdom

on behalf of the PROUD Study Team

A complete list of the PROUD Study Team can be found in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: MG SM WN SW GB D. Dolling CR MR RH. Data curation: EW D. Dunn. Formal analysis: MG. Funding acquisition: SM. Investigation: MG SM WN SW TB GB AC JF LH CL KQ CR IR MR DW VA WA CD GS. Methodology: MG SM WN SW GB D. Dolling CR MR RH. Project administration: MG EB EW GW. Software: YS. Supervision: MG RH. Writing – original draft: MG. Writing – review & editing: MG EB MD SM WN SW EW GW TB GB AC D. Dolling D. Dunn JF LH CL AN KQ CR IR MR DW VA WA CD YC GS YS RH.