About the Authors

Kiwoong Nam
Hans Ellegren

Hans.Ellegren@ebc.uu.se

Affiliation Department of Evolutionary Biology, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HE KN. Performed the experiments: KN. Analyzed the data: KN. Wrote the paper: HE KN.