| Institution: | 1. Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, PO Box 647060, Pullman, WA 99164-7060, USA;2. Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, PO Box 646610, Pullman, WA 99164-6610, USA;1. Department of Clinical Sciences, Auburn University College of Veterinary Medicine, Auburn, AL 36849, USA;2. Department of Small Animal Clinical Sciences, Texas A&M University, College Station, TX 77843, USA |
