About the Authors

Samuli Lehtonen

samile@utu.fi

Affiliation Department of Biology, University of Turku, Turku, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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