1. Department of Infectious Diseases, School of Immunology & Microbial Sciences, King's College London, London, United Kingdom
2. Institute of Infection & Immunity, St George’s, University of London, London, United Kingdom
3. MRC–University of Glasgow Centre for Virus Research, Glasgow, United Kingdom
4. Cambridge Institute for Medical Research, School of Clinical Medicine, University of Cambridge, Cambridge, United Kingdom
5. Division of Infection and Immunity, Cardiff University School of Medicine, Cardiff, United Kingdom