George K. HaibelFrom the Departments of Veterinary Clinical Sciences (Haibel, Constable), and Veterinary Pathobiology (Rojko), College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210.
Peter D. ConstableFrom the Departments of Veterinary Clinical Sciences (Haibel, Constable), and Veterinary Pathobiology (Rojko), College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210.
Jennifer L. RojkoFrom the Departments of Veterinary Clinical Sciences (Haibel, Constable), and Veterinary Pathobiology (Rojko), College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210.