1. William R. Pricthard Veterinary Medical Teaching Hospital University of California Davis California USA
2. Department of Veterinary Clinical Sciences, Lloyd Veterinary Medical Center Iowa State University Ames Iowa USA
3. Department of Clinical Sciences, JT Vaughan Large Animal Teaching Hospital Auburn University Auburn Alabama USA
4. Elders Equine Veterinary Services Winnipeg Manitoba Canada
5. Philip Leverhulme Equine Hospital University of Liverpool Neston Cheshire United Kingdom
6. Department of Surgical and Radiological Sciences, School of Veterinary Medicine University of California Davis California USA