1. Department of Clinical Veterinary Medicine; Clinical Radiology, Vetsuisse Faculty; University of Berne; Länggassstrasse 124, Postfach 8466, 3001; Berne; Switzerland
2. Department of Clinical Research & Veterinary Public Health, Vetsuisse Faculty; University of Berne; Länggassstrasse 124, Postfach 8466, 3001; Berne; Switzerland
3. MR Vets Inc.; Ponderay; ID 83852