About the Authors

Lisbeth Drozd Lund

Affiliation Department of Veterinary Disease Biology, University of Copenhagen, Frederiksberg, Denmark

Hanne Ingmer

Affiliation Department of Veterinary Disease Biology, University of Copenhagen, Frederiksberg, Denmark

Hanne Frøkiær

hafr@sund.ku.dk

Affiliation Department of Veterinary Disease Biology, University of Copenhagen, Frederiksberg, Denmark

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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