1. Royal Veterinary College, Department of Pathobiology & Population Sciences, Hawkshead Lane, Hatfield, Hertfordshire, AL9 7TA & Larkmead Veterinary Group, Ilges Lane, Cholsey, Oxfordshire, OX10 9PA
2. Royal Veterinary College, Department of Pathobiology & Population Sciences, Hawkshead Lane, Hatfield, Hertfordshire, AL9 7TA
3. Capital Veterinary Services, West Latchfields, Haddington, East Lothian EH41 4JN