About the Authors

Jon Bohlin, Eystein Skjerve
Norwegian School of Veterinary Science, Oslo, Norway

David W. Ussery
Center for Biological Sequence Analysis, Department of Systems Biology, Technical University of Denmark, Lyngby, Denmark

Corresponding Author

dave@cbs.dtu.dk

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JB. Performed the experiments: JB. Analyzed the data: JB ES DU. Contributed reagents/materials/analysis tools: JB. Wrote the paper: JB ES DU. Revised and drafted the manuscript: DU.