1. Department of Small Animal Clinical Sciences (Snead, Pharr), Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, Saskatchewan, S7N 5B4 Canada
2. Veterinary Emergency Clinic (Ringwood), 920 Yonge Street, Suite 117, Toronto, Ontario, M4W 3C7 Canada;
3. Grand Valley Animal Clinic (Beckwith), 304 Pacific Avenue, Brandon, Manitoba, R7A 0H5 Canada
4. From the