1. Clinical Diagnostic Laboratory, Department of Clinical Veterinary Medicine, Vetsuisse Faculty University of Bern 3012 Bern Switzerland
2. Division of Small Animal Internal Medicine, Department of Clinical Veterinary Medicine, Vetsuisse Faculty University of Bern 3012 Bern Switzerland
3. Institute of Parasitology, Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty University of Bern 3012 Bern Switzerland
4. Division of Clinical Radiology, Department of Clinical Veterinary Medicine, Vetsuisse Faculty University of Bern 3012 Bern Switzerland