About the Authors
Institute of Ecology, Evolution and Diversity, Goethe University, Frankfurt, Germany
Molecular Ecology Group, Biodiversity & Climate Research Centre, Frankfurt, Germany
University of Montpellier-2, UMR AMAP, TA A51/PS2, Montpellier, France
The authors have declared that no competing interests exist.
Conceived and designed the experiments: MP EV. Performed the experiments: RJ. Analyzed the data: MP RJ. Contributed reagents/materials/analysis tools: RJ EV. Wrote the paper: RJ MP EV.