| Institution: | 1. Department of Health Management, Atlantic Veterinary College, , Charlottetown, Prince Edward Island, Canada;2. Department of Radiology, School of Veterinary Medicine, University of Pennsylvania, , Philadelphia, Pennsylvania, USA;3. Department of Clinical Studies, New Bolton Center, School of Veterinary Medicine, University of Pennsylvania, , Kennett Square, Pennsylvania, USA;4. Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, , Baton Rouge, Louisiana, USA |
