1. Department of Clinical Science and Services The Royal Veterinary College North Mymms Herts UK
2. Department of Veterinary Clinical Sciences, Faculty of Veterinary and Agricultural Sciences University of Melbourne Werribee Victoria Australia
3. Department of Small Animal Medicine and Surgery University of Veterinary Medicine Hannover Hannover Germany
4. Department of Pathobiology and Population Sciences The Royal Veterinary College North Mymms Herts United Kingdom