About the Authors

Christina Lindqvist

Affiliation IFM Biology, Linköping University, Linköping, Sweden

Andrew M. Janczak

Current address: Livestock Behavior Research Unit, United States Department of Agriculture (USDA)-Agricultural Research Service (ARS), West Lafayette, Indiana, United States of America

Affiliation Department of Animal and Aquacultural Sciences, Norwegian University of Life Sciences, Ås, Norway

Daniel Nätt

Affiliation IFM Biology, Linköping University, Linköping, Sweden

Izabella Baranowska

Current address: Department of Animal Breeding and Genetics, Swedish University of Agricultural Sciences, Uppsala, Sweden

Affiliation IFM Biology, Linköping University, Linköping, Sweden

Niclas Lindqvist

Affiliation IFM Biology, Linköping University, Linköping, Sweden

Anette Wichman

Affiliation Department of Animal Environment and Health, Swedish University of Agricultural Sciences, Skara, Sweden

Joakim Lundeberg

Affiliation School of Biotechnology, Department of Gene Technology, Royal Institute of Technology, Stockholm, Sweden

Johan Lindberg

Affiliation School of Biotechnology, Department of Gene Technology, Royal Institute of Technology, Stockholm, Sweden

Peter A. Torjesen

Affiliation Hormone Laboratory, Aker University Hospital HF, Oslo, Norway

Per Jensen

To whom correspondence should be addressed. E-mail: perje@ifm.liu.se

Affiliation IFM Biology, Linköping University, Linköping, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PJ. Performed the experiments: CL AJ DN IB NL AW. Analyzed the data: PJ CL DN IB. Contributed reagents/materials/analysis tools: JL JL PT. Wrote the paper: PJ.