1. Institute of Genetics; Vetsuisse Faculty; University of Bern; 3001 Bern Switzerland
2. Department of Clinical Veterinary Medicine; University of Bern; 3001 Bern Switzerland
3. Interfaculty Bioinformatics Unit; University of Bern; 3001 Bern Switzerland
4. Institute of Veterinary Pathology; Vetsuisse Faculty; University of Zurich; 8057 Zurich Switzerland
5. Clinic for Small Animal Internal Medicine; Vetsuisse Faculty; University of Zurich; 8057 Zurich Switzerland