About the Authors

Sonali Wayal

Roles Conceptualization, Formal analysis, Methodology, Writing – original draft

s.wayal@ucl.ac.uk

Affiliations Institute for Global Health, University College London, London, United Kingdom, HIV & STI Department, Centre for Infectious Disease Surveillance and Control (CIDSC), Public Health England, London, United Kingdom, The National Institute for Health Research Health Protection Research Unit (NIHR HPRU) in Blood Borne and Sexually Transmitted Infections at UCL in partnership with Public Health England (PHE) and in collaboration with the London School of Hygiene & Tropical Medicine, London, United Kingdom

Catherine R. H. Aicken

Roles Investigation, Writing – review & editing

Affiliations Institute for Global Health, University College London, London, United Kingdom, The National Institute for Health Research Health Protection Research Unit (NIHR HPRU) in Blood Borne and Sexually Transmitted Infections at UCL in partnership with Public Health England (PHE) and in collaboration with the London School of Hygiene & Tropical Medicine, London, United Kingdom

Catherine Griffiths

Roles Investigation, Writing – review & editing

Affiliations Institute for Global Health, University College London, London, United Kingdom, The National Institute for Health Research Health Protection Research Unit (NIHR HPRU) in Blood Borne and Sexually Transmitted Infections at UCL in partnership with Public Health England (PHE) and in collaboration with the London School of Hygiene & Tropical Medicine, London, United Kingdom

Paula B. Blomquist

Roles Data curation, Writing – review & editing

Affiliations HIV & STI Department, Centre for Infectious Disease Surveillance and Control (CIDSC), Public Health England, London, United Kingdom, The National Institute for Health Research Health Protection Research Unit (NIHR HPRU) in Blood Borne and Sexually Transmitted Infections at UCL in partnership with Public Health England (PHE) and in collaboration with the London School of Hygiene & Tropical Medicine, London, United Kingdom

Gwenda Hughes

Roles Conceptualization, Funding acquisition, Supervision, Writing – review & editing

Affiliations HIV & STI Department, Centre for Infectious Disease Surveillance and Control (CIDSC), Public Health England, London, United Kingdom, The National Institute for Health Research Health Protection Research Unit (NIHR HPRU) in Blood Borne and Sexually Transmitted Infections at UCL in partnership with Public Health England (PHE) and in collaboration with the London School of Hygiene & Tropical Medicine, London, United Kingdom

Catherine H. Mercer

Roles Conceptualization, Funding acquisition, Supervision, Writing – review & editing

Affiliations Institute for Global Health, University College London, London, United Kingdom, The National Institute for Health Research Health Protection Research Unit (NIHR HPRU) in Blood Borne and Sexually Transmitted Infections at UCL in partnership with Public Health England (PHE) and in collaboration with the London School of Hygiene & Tropical Medicine, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.