About the Authors

Rahel M. Salathé

rms55@psu.edu

Affiliations Institute of Integrative Biology (IBZ), ETH Zürich, Zürich, Switzerland, Department of Biology, Penn State University, University Park, Pennsylvania, United States of America

Paul Schmid-Hempel

Affiliation Institute of Integrative Biology (IBZ), ETH Zürich, Zürich, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RS. Performed the experiments: RS. Analyzed the data: RS. Contributed reagents/materials/analysis tools: PS-H. Wrote the paper: RS. Designed the software used in the analysis: PS-H. Commented on and corrected the manuscript: PS-H.