About the Authors

Graham R Stewart

To whom correspondence should be addressed. E-mail: G.Stewart@surrey.ac.uk

Affiliations Department of Infectious Diseases and Microbiology, Centre for Molecular Microbiology and Infection, Imperial College London, London, United Kingdom , School of Biomedical and Molecular Sciences, University of Surrey, Surrey, United Kingdom

Janisha Patel

Affiliation Department of Infectious Diseases and Microbiology, Centre for Molecular Microbiology and Infection, Imperial College London, London, United Kingdom

Brian D Robertson

Affiliation Department of Infectious Diseases and Microbiology, Centre for Molecular Microbiology and Infection, Imperial College London, London, United Kingdom

Aaron Rae

Affiliation Department of Infectious Diseases and Microbiology, Centre for Molecular Microbiology and Infection, Imperial College London, London, United Kingdom

Douglas B Young

Affiliation Department of Infectious Diseases and Microbiology, Centre for Molecular Microbiology and Infection, Imperial College London, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

GRS, JP, BDR, and DBY conceived and designed the experiments. GRS, JP, and AR performed the experiments. GRS and AR analyzed the data. BDR and DBY contributed reagents/materials/analysis tools. GRS, BDR, and DBY wrote the paper.