About the Authors

Pia Løtvedt

Affiliation IFM Biology, AVIAN Behavioural Genomics and Physiology Group, Linköping University, Linköping, Sweden

Per Jensen

per.jensen@liu.se

Affiliation IFM Biology, AVIAN Behavioural Genomics and Physiology Group, Linköping University, Linköping, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PJ PL. Performed the experiments: PL. Analyzed the data: PJ PL. Wrote the paper: PL PJ.