David A. GoodDepartment of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA 70803. present address is Mayfield Veterinary Clinic, 1 Happy Valley Ln, St Stephen, NB, Canada.
Julie A. SmithDepartment of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA 70803. present address is Iams Pet Imaging, 328 Maple Ave East, Vienna, VA 22180.