Affiliation: | 1. Department of Clinical Studies‐Philadelphia, School of Veterinary Medicine, University of Pennsylvania, , Philadelphia, PA;2. Mass Veterinary Cardiology Services Inc., , West Springfield, MA;3. Department of Clinical Studies, Ontario Veterinary College, University of Guelph, , Guelph, ON, Canada;4. Department of Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, , College Station, TX |