1. Department of Veterinary Clinical and Diagnostic Sciences, Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta, Canada (Banse)
2. Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St. Paul, MN (Schultz, McCue)
3. College of Sciences, Massey University, Manawatu, NZ (Geor)
4. Department of Physiological Sciences, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK (McFarlane)