About the Authors

Katarzyna Podlas

podlas.kasia@gmail.com

Affiliation Institute of Ecology and Evolution, University of Bern, Bern, Switzerland

Fabrice Helfenstein

Affiliations Institute of Ecology and Evolution, University of Bern, Bern, Switzerland, Institute of Biology, University of Neuchâtel, Neuchâtel, Switzerland

Heinz Richner

Affiliation Institute of Ecology and Evolution, University of Bern, Bern, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Directed the study: HR. Conceived and designed the experiments: KP HR. Performed the experiments: KP. Analyzed the data: KP FH. Wrote the paper: KP FH HR.