1. Department of Small Animal Surgery (Oshin), Affiliated Veterinary Specialists, 1668 Mallory Lane, Brentwood, Tennessee 37027; the
2. Department of Veterinary Clinical Medicine (Griffon) and the Veterinary Diagnostic Laboratory (Barger), College of Veterinary Medicine, University of Illinois at Urbana-Champaign, 1008 West Hazelwood Drive, Urbana, Illinois 61802
3. Laboratoire Vet Diagnostics (Lemberger), 60 Avenue Rockefeller, Lyon, 69008 France; and the
4. Department of Veterinary Clinical Sciences (Naughton), School of Veterinary Medicine, Purdue University, 625 Harrison Street, West Lafayette, Indiana 47906
5. From the