About the Authors
Department of Infection, Division of Infection and Immunity, University College London, London, United Kingdom
Division of Clinical Sciences, St George's University of London, London, United Kingdom
Department of Internal Medicine, University College London Medical School, London, United Kingdom
The Wellcome Trust Genome Campus, The Wellcome Trust Sanger Institute, Cambridge, United Kingdom
The authors have declared that no competing interests exist.
Conceived and designed the experiments: DF JK TJH PK. Performed the experiments: DF JK. Analyzed the data: DF. Contributed reagents/materials/analysis tools: DF JK. Wrote the paper: DF JK TJH PK.