About the Authors
Chair of Computational Science, ETH Zurich, Zurich, Switzerland
Institute of Zoology, University of Zurich, Zurich, Switzerland
The authors have declared that no competing interests exist.
Conceived and designed the experiments: MG CJB BB UFG PK. Performed the experiments: CJB ME. Analyzed the data: MG CJB BB. Contributed reagents/materials/analysis tools: PK. Wrote the paper: MG CJB BB UFG PK.