1. Department of Veterinary Clinical Science; School of Veterinary Science; University of Liverpool; Liverpool L69 7ZJ
2. Wood Veterinary Group; 125 Bristol Road Gloucester GL2 4NB
3. Department of Clinical Veterinary Medicine; University of Cambridge; Madingley Road Cambridge CB3 0ES
4. Departments of Veterinary Pathology and Veterinary Clinical Science; School of Veterinary Science; University of Liverpool; Liverpool L69 7ZJ