1. Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
2. Department of Farm Animals, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
3. Dermatology Unit, Clinic for Small Animal Internal Medicine, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
4. Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland. (Makoni, Rosato, Fabian, Grest, Kipar)