1. Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS
2. Beef Cattle Institute, College of Veterinary Medicine, Kansas State University, Manhattan, KS
3. Department of Animal Science, College of Agriculture and Natural Resources, Michigan State University, East Lansing, MI
4. Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS