1. Texas Veterinary Medical Diagnostic Laboratory, College Station, TX (Schroeder, Bounpheng, Rodgers, Sneed, Szonyi, Clavijo)
2. West Amarillo, TX (Naikare, Velayudhan)
3. Oregon State University Veterinary Diagnostic Laboratory, Corvallis, OR (Baker, Black)
4. Department of Veterinary Integrated Biosciences, Texas A&M University, College Station, TX (Szonyi)