About the Authors

Martina Tognazzo, Regula Schmid-Hempel, Paul Schmid-Hempel
Institute of Integrative Biology, ETH Zürich, Zürich, Switzerland

Corresponding Author

psh@env.ethz.ch

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MT RSH PSH. Performed the experiments: MT RSH. Analyzed the data: MT RSH PSH. Contributed reagents/materials/analysis tools: MT RSH PSH. Wrote the paper: MT RSH PSH.