About the Authors

Joakim Ågren

Contributed equally to this work with: Joakim Ågren, Anders Sundström

Affiliations Department of Bacteriology, National Veterinary Institute (SVA), Uppsala, Sweden, Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden

Anders Sundström

Contributed equally to this work with: Joakim Ågren, Anders Sundström

Affiliation Department of Bacteriology, National Veterinary Institute (SVA), Uppsala, Sweden

Therese Håfström

Affiliation Department of Bacteriology, National Veterinary Institute (SVA), Uppsala, Sweden

Bo Segerman

bo.segerman@sva.se

Affiliation Department of Bacteriology, National Veterinary Institute (SVA), Uppsala, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BS JÅ. Performed the experiments: JÅ AS TH. Analyzed the data: JÅ AS TH BS. Wrote the paper: JÅ BS. Designed and implemented the software used in analysis: AS BS.