1. Department of Small Animal Medicine and Surgery (Boland, Gregory, Lamb), The Royal Veterinary College, Hawkshead Lane, North Mymms, Hatfield, Hertfordshire, AL9 7TA, United Kingdom, and the
2. Department of Surgical Sciences (Hardie), School of Veterinary Medicine, The University of Wisconsin, 2015 Linden Drive, Madison, Wisconsin 53706
3. From the