About the Authors

Gareth T. Powell

gp3@sanger.ac.uk (GTP); gw2@sanger.ac.uk (GJW)

Affiliation Wellcome Trust Sanger Institute, Hinxton, Cambridge, United Kingdom

Gavin J. Wright

gp3@sanger.ac.uk (GTP); gw2@sanger.ac.uk (GJW)

Affiliation Wellcome Trust Sanger Institute, Hinxton, Cambridge, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GTP GJW. Performed the experiments: GTP. Analyzed the data: GTP. Wrote the paper: GTP GJW.