About the Authors

Martin Johnsson

Affiliation AVIAN Behavioural Genomics and Physiology group, IFM Biology, Department of Physics, Chemistry and Biology, Linköping University, Linköping, Sweden

Kenneth B. Jonsson

Affiliation Department of Surgical Sciences, Orthopaedics, Akademiska Sjukhuset, Uppsala University, Uppsala, Sweden

Leif Andersson

Affiliation Department of Medical Biochemistry and Microbiology, BMC, Uppsala University, Uppsala, Sweden

Per Jensen

Affiliation AVIAN Behavioural Genomics and Physiology group, IFM Biology, Department of Physics, Chemistry and Biology, Linköping University, Linköping, Sweden

Dominic Wright

domwright@gmail.com

Affiliation AVIAN Behavioural Genomics and Physiology group, IFM Biology, Department of Physics, Chemistry and Biology, Linköping University, Linköping, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DW PJ LA. Performed the experiments: MJ DW. Analyzed the data: MJ DW. Contributed reagents/materials/analysis tools: KBJ DW LA PJ. Wrote the paper: MJ DW.