1. Department of Clinical Sciences; College of Veterinary Medicine; Auburn University; 1220 Wire Road Auburn AL 36849 USA
2. Department of Anatomy, Physiology, and Pharmacology; College of Veterinary Medicine; Auburn University; 109 Greene Hall Auburn AL 36849 USA
3. Department of Pathobiology; College of Veterinary Medicine; Auburn University; 264 Greene Hall Auburn AL 36849 USA