About the Authors

Åse Helen Garseth

ase-helen.garseth@vetinst.no

Affiliations Department of Health Surveillance, Norwegian Veterinary Institute, Trondheim, Norway, Department of Natural History, Norwegian University of Science and Technology University Museum, Trondheim, Norway

Torbjørn Ekrem

Affiliation Department of Natural History, Norwegian University of Science and Technology University Museum, Trondheim, Norway

Eirik Biering

Affiliation Department of Health Surveillance, Norwegian Veterinary Institute, Trondheim, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AHG EB TE. Performed the experiments: AHG. Analyzed the data: AHG TE EB. Contributed reagents/materials/analysis tools: AHG. Wrote the paper: AHG TE EB.