About the Authors

Tom A. Yates

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

Affiliation Institute for Global Health, University College London, Institute of Child Health, London, United Kingdom

Laurie A. Tomlinson

Roles Conceptualization, Investigation, Methodology, Writing – review & editing

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

Krishnan Bhaskaran

Roles Conceptualization, Methodology, Writing – review & editing

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

Sinead Langan

Roles Conceptualization, Writing – review & editing

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

Sara Thomas

Roles Conceptualization, Methodology, Writing – review & editing

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

Liam Smeeth

Roles Conceptualization, Methodology, Writing – review & editing

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

Ian J. Douglas

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software, Writing – original draft, Writing – review & editing

ian.douglas@lshtm.ac.uk

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

Competing Interests

I have read the journal's policy and the authors of this manuscript have the following competing interests: TY has previously worked on studies that received support from Pasante, GlaxoSmithKline, and Sanofi, but did not benefit financially from these arrangements.