1. Virginia Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA (Zajac, LeRoith); Kingdom Animal Hospital, Clear Brook, VA (Fairman); Antech Diagnostics, Fountain Valley, CA (McGee, Wells); University of Guelph, Guelph, ON, Canada (Peregrine); University of Saskatchewan, Saskatoon, Saskatchewan, Canada (Jenkins); Veterinary Imaging Associates, Ashburn, VA (St John)