About the Authors
The Biomedical Research Institute, College of Medicine, Ninewells Hospital, The University of Dundee, Dundee, United Kingdom
Division of Molecular Microbiology, College of Life Sciences, University of Dundee, Dundee, United Kingdom
The authors have declared that no competing interests exist.
Conceived and designed the experiments: DWB. Performed the experiments: DL AWS. Analyzed the data: DL AWS DMFvA DWB. Contributed reagents/materials/analysis tools: AWS DMFvA. Wrote the paper: DL DWB.