About the Authors
Division of Molecular Immunology, MRC National Institute for Medical Research, Mill Hill, London, United Kingdom
Department of Immunology and Infection, London School of Hygiene and Tropical Medicine, London, United Kingdom
The authors have declared that no competing interests exist.
Conceived and designed the experiments: JET HH. Performed the experiments: JET HH. Analyzed the data: JET HH. Contributed reagents/materials/analysis tools: BS HH. Wrote the paper: JET HH.