About the Authors
Faculty of Life Sciences, Michael Smith Building, University of Manchester, Manchester, United Kingdom
Centre for Bioinformatics, Division of Molecular Biosciences, Imperial College London, London, United Kingdom
The authors have declared that no competing interests exist.
Conceived and designed the experiments: JIM JWP DLR. Performed the experiments: JIM. Analyzed the data: JIM JED JWP DLR. Wrote the paper: JIM DLR.