About the Authors

Markus Pfenninger

Pfenninger@bio.uni-frankfurt.de

Affiliation Abteilung Ökologie & Evolution, Johan Wolfgang (J.W.) Goethe-Universität, Frankfurt, Germany

Carsten Nowak

Affiliation Abteilung Ökologie & Evolution, Johan Wolfgang (J.W.) Goethe-Universität, Frankfurt, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MP. Performed the experiments: CN. Analyzed the data: MP. Wrote the paper: MP CN.