1. Equine Hospital, Royal (Dick) School of Veterinary Studies, University of Edinburgh Midlothian UK
2. Department of Infectious Diseases and Public Health Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong Kowloon Hong Kong SAR China
3. Gail Holmes Equine Orthopaedic Research Centre, Department of Clinical Sciences College of Veterinary Medicine and Biomedical Sciences, Colorado State University Fort Collins Colorado USA
4. Equine Medical Centre Cypress California USA