1. Department of Small Animals, Faculty of Veterinary Medicine Ghent University Merelbeke Belgium
2. Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty University of Bern Bern Switzerland
3. Institute of Genetics, Vetsuisse Faculty University of Bern Bern Switzerland
4. Tierklinik Hofheim Hofheim am Taunus Germany
5. Department of Pathobiology, Pharmacology and Zoological Medicine, Faculty of Veterinary Medicine Ghent University Merelbeke Belgium
6. Department of Clinical Veterinary Science, Vetsuisse Faculty University of Bern Bern Switzerland