1. Department of Animal Sciences and Industry, College of Agriculture, Kansas State University, Manhattan, Kansas.
2. Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, Kansas.
3. Department of Statistics, College of Arts and Sciences, Kansas State University, Manhattan, Kansas.
4. Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, Kansas.
5. Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas.