1. Department of Medicine and Epidemiology, School of Veterinary Medicine University of California—Davis Davis California USA
2. Department of Veterinary Surgery and Radiologic Sciences, School of Veterinary Medicine University of California—Davis Davis California USA
3. William R. Prichard Veterinary Medical Teaching Hospital University of California‐Davis Davis USA
4. Department of Small Animal Clinical Sciences, College of Veterinary Medicine University of Florida Gainesville Florida USA