1. Department of Clinical Sciences; Oregon State University; Corvallis Oregon
2. Department of Veterinary Medicine and Surgery; College of Veterinary Medicine, University of Missouri; Columbia Missouri
3. Department of Veterinary Pathobiology; College of Veterinary Medicine
4. IDEXX Laboratories, Inc; Memphis Tennessee
5. Department of Radiology; Western University of Health Sciences; Pomona California
6. Comparative Orthopedic Laboratory and Missouri Orthopaedic Institute, University of Missouri; Columbia Missouri