About the Authors

Trine M. L'Abée-Lund
Hannah J. Jørgensen

Current address: Norwegian Veterinary Institute, Oslo, Norway

Kristin O'Sullivan
Jon Bohlin
Goro Ligård
Per Einar Granum
Toril Lindbäck

toril.lindback@nvh.no

Affiliation Department of Food Safety and Infection Biology, Norwegian School of Veterinary Science, Oslo, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TMLL HJJ JB PEG TL. Performed the experiments: TMLL HJJ JB KOS GL TL. Analyzed the data: TMLL HJJ KOS JB GL TL. Contributed reagents/materials/analysis tools: TMLL HJJ KOS GL TL. Wrote the paper: TMLL HJJ JB TL.