1. Department of Clinical Sciences Cornell University College of Veterinary Medicine Ithaca New York USA
2. Regional Operations, Heartland Group VCA Inc. Los Angeles California USA
3. Department of Veterinary Medicine and Surgery, College of Veterinary Medicine University of Missouri Columbia Missouri USA
4. Department of Surgical and Radiological Sciences University of California Davis California USA
5. Department of Clinical Science, College of Veterinary Medicine and Biomedical Sciences Colorado State University Fort Collins Colorado USA