1. Centre for Molecular Epidemiology and Translational Research, Institute for Global Health, University College London, London, UK
2. The National Institute for Health Research Health Protection Research Unit (NIHR HPRU) in Blood Borne and Sexually Transmitted Infections at University College London, London, UK
3. Parasites and Microbes, Wellcome Trust Sanger Institute, Hinxton, UK
4. Department of Pathogen Molecular Biology, London School of Hygiene and Tropical Medicine, London, UK
5. National Infection Service, Public Health England, London, UK
6. The National Institute for Health Research Health Protection Research Unit (NIHR HPRU) in Gastrointestinal Infections at University of Liverpool, Liverpool, UK