Author information:
(1)Department of Genitourinary Medicine and Infectious Disease, Guys and St 
Thomas' NHS Trust, London, UK. julie.fox@kcl.ac.uk.
(2)Department of Sexual Health and HIV, Kings College Hospital, London, UK.
(3)Department of Genitourinary Medicine and Infectious Disease, Guys and St 
Thomas' NHS Trust, London, UK.
(4)Nuffield Department of Medicine, University of Oxford, Oxford, UK.
(5)Oxford NIHR Biomedical Research Centre, Oxford, UK.
(6)Oxford Martin School, Oxford, UK.
(7)Department of Molecular and Clinical Pharmacology, University of Liverpool, 
Liverpool, UK.
(8)Department of Infectious Diseases, Kings College London, London, UK.
(9)Department of Infectious Diseases, Imperial College, London, UK.