| Affiliation: | 1. Laboratory Corporation of America, Indianapolis, IN 46250, USA;2. Department of Pathobiology, Auburn University, College of Veterinary Medicine, 1130 Wire Road, Auburn, AL 36849, USA;3. Department of Veterinary Microbiology and Preventive Medicine, Iowa State University, 2134 College of Veterinary Medicine, Ames, IA 50011-1134, USA;4. Department of Veterinary Clinical Sciences, Iowa State University, Ames, IA 50014, USA;1. Department of Clinical Studies, University of Pennsylvania, New Bolton Center, 382 West Street Road, Kennett Square, PA 19348, USA;2. Department of Comparative Pathobiology, Tufts University, Cummings School of Veterinary Medicine, 200 Westboro Road, North Grafton, MA 01536, USA |
