1. Department of Applied Mathematics and Computer Science, Technical University of Denmark, Kongens Lyngby, Denmark
2. Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg, Denmark
3. Section for Bacteriology, Pathology and Parasitology, National Veterinary Institute, Danish Technical University, Frederiksberg, Denmark
4. Odder Veterinary Practice, Odder, Denmark