1. Department of Veterinary Microbiology Western College of Veterinary Medicine University of Saskatchewan 52 Campus Drive Saskatoon, Saskatchewan, Canada
2. Department of Veterinary Biosciences College of Veterinary Medicine 1925 Coffey Road The Ohio State University Columbus, OH
3. Veterinary Sciences Division Department of Agriculture Stoney Road Stormont, Belfast, UK
4. Department of Pathology Western College of Veterinary Medicine University of Saskatchewan 52 Campus Drive Saskatoon, Saskatchewan, Canada