About the Authors

Ravindra K. Gupta

ravindra.gupta@ucl.ac.uk

Affiliations Division of Infection and Immunity, University College London, London, United Kingdom, University College London Hospitals’ NHS Foundation Trust, London, United Kingdom

Michael Marks

Affiliations University College London Hospitals’ NHS Foundation Trust, London, United Kingdom, Clinical Research Department, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom

Simon G. Edwards

Affiliations University College London Hospitals’ NHS Foundation Trust, London, United Kingdom, Mortimer Market Centre, Camden Provider Services, Central and North West London NHS Foundation Trust, London, United Kingdom

Katie Smith

Affiliation University College London Hospitals’ NHS Foundation Trust, London, United Kingdom

Katie Fletcher

Affiliation University College London Hospitals’ NHS Foundation Trust, London, United Kingdom

Siow-Ming Lee

Affiliation University College London Hospitals’ NHS Foundation Trust, London, United Kingdom

Alan Ramsay

Affiliation University College London Hospitals’ NHS Foundation Trust, London, United Kingdom

Andrew J. Copas

Affiliation Institute of Epidemiology and Healthcare, University College London, London, United Kingdom

Robert F. Miller

Affiliations University College London Hospitals’ NHS Foundation Trust, London, United Kingdom, Clinical Research Department, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom, Mortimer Market Centre, Camden Provider Services, Central and North West London NHS Foundation Trust, London, United Kingdom, Institute of Epidemiology and Healthcare, University College London, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RKG RFM SGE SML AC. Performed the experiments: MM RKG KF KS AR. Analyzed the data: RFM RKG MM SGE. Wrote the paper: RKG RFM MM SGE.