1. Department of Veterinary Clinical Studies, University of Edinburgh, Hospital for Small Animals, Roslin, Midlothian EH25 9RG
2. Department of Clinical Veterinary Medicine, University of Cambridge, Queen's Veterinary School Hospital, Madingley Road, Cambridge CB3 OES
3. Department of Small Animal Medicine and Surgery, Queen Mother Hospital for Animals, The Royal Veterinary College, Hawkshead Lane, Hatfield, Hertfordshire AL6 7TA
4. Department of Small Animal Clinical Studies, University of Glasgow Veterinary School, Bearsden Road, Bearsden, Glasgow G61 1QH
5. Faculty of Veterinary Medicine, Veterinary Teaching Hospital, University College Dublin, Ballsbridge, Dublin 4, Ireland