1. Department of Clinical Sciences; Cornell University College of Veterinary Medicine; Ithaca NY
2. Department of Clinical Sciences; College of Veterinary Medicine; Auburn University; Auburn AL
3. Metropolitan Animal Specialty Hospital; Los Angeles CA
4. Department of Small Animal Clinical Sciences; Michigan State University; East Lansing MI
5. Department of Veterinary Surgical and Radiological Sciences; School of Veterinary Medicine; University of California Davis; Davis CA