1. Department of Surgery and Anesthesiology of Domestic Animals, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
2. Both authors contributed equally to this work
3. Department of Pathology, Bacteriology and Avian Diseases, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
4. Department of Pathology, Microbiology and Immunology, School of Veterinary Medicine, University of California, Davis, California