1. From the Animal Surgical & Emergency Center; West Los Angeles; CA; 90025
2. the University of Tennessee College of Veterinary Medicine; Knoxville; TN; 37996
3. the Cummings School of Veterinary Medicine at Tufts University; North Grafton; MA; 01536
4. the Ohio State University College of Veterinary Medicine; Columbus; OH; 43210
5. the Cornell University Hospital for Animals; Ithaca; NY; 14850
6. the Metropolitan Veterinary Radiology Ltd.; Montclair; NJ; 07042
7. and the Mountain Veterinary Imaging; Ft. Collins; CO; 80526