| Affiliation: | 1. Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH;2. Rood and Riddle Equine Hospital, Lexington, KY;3. United Sates Department of Agriculture, Agricultural Research Service, Beltsville Agricultural Research Center, Animal Parasitic Diseases Laboratory, Beltsville, MD;4. American Veterinary Medical Association, Schaumburg, IL;5. Colorado School of Public Health, James L. Voss Veterinary Teaching Hospital, Colorado State University, Fort Collins, CO;6. Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Parkville, Vic, Australia;7. Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH |
