| Affiliation: | 1. Virginia Maryland College of Veterinary Medicine, Blacksburg, Virginia;2. Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Campus, Midlothian, United Kingdom;3. University of Georgia College of Veterinary Medicine, Athens, Georgia;4. The Royal Veterinary College, Hawkshead Lane, Hatfield, Hertfordshire, United Kingdom;5. New Bolton Center, University of Pennsylvania School of Veterinary Medicine, Kennett Square, Pennsylvania;6. Marion duPont Scott Equine Medical Center, Virginia Maryland College of Veterinary Medicine, Leesburg, Virginia |
