1 Small Animal Internal Medicine, Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, 2015 Southwest 16th Avenue, Gainesville, FL 32608, USA. Electronic address: cgilor@ufl.edu.
2 Small Animal Internal Medicine, Department of Small Animal Clinical Sciences, College of Veterinary Medicine, Midwestern University, 19555 N 59th Avenue, Glendale, AZ 85308, USA. Electronic address: t.graves@midwestern.edu.