About the Authors
Evolutionary Bioinformatics Group, Institute for Evolution and Biodiversity, University of Münster, Münster, Germany
Departments of Biochemistry, Molecular Genetics, and Physics, University of Toronto, Toronto, Ontario, Canada
The authors have declared that no competing interests exist.
Conceived and designed the experiments: TS EBB HSC. Performed the experiments: TS. Analyzed the data: TS. Wrote the paper: TS EBB HSC.