1. Department of Veterinary Clinical Sciences (Carter), School of Veterinary Medicine, Louisiana State University, Skip Bertman Drive, Baton Rouge, Louisiana 70803; the
2. Department of Comparative Medicine (Oliver), College of Veterinary Medicine, University of Tennessee, 2407 River Drive, Knoxville, Tennessee 37996; and the
3. Departments of Medical Sciences (Stepien) and Surgical Sciences (Bentley), School of Veterinary Medicine, University of Wisconsin-Madison, 2015 Linden Drive, Madison, Wisconsin 53706
4. From the