1. Department of Equine Clinical Science Institute of Veterinary Science University of Liverpool Leahurst, Neston UK
2. Department of Veterinary Pathology, Infection and Public Health Institute of Veterinary Science University of Liverpool Leahurst, Neston UK
3. Department of Musculoskeletal Biology Institute of Ageing and Chronic Disease University of Liverpool Liverpool UK
4. Nantwich Veterinary Group Equine Centre Nantwich, Cheshire UK