1. VCA Canada ‐ Alta Vista Animal Hospital Ottawa Ontario Canada
2. Department of Veterinary Clinical Science, College of Veterinary Medicine The Ohio State University Columbus Ohio USA
3. School of Veterinary Medicine University of California‐Davis Davis California USA
4. Section of Surgery, Matthew J. Ryan Veterinary Hospital, Department of Clinical Studies, School of Veterinary Medicine University of Pennsylvania Philadelphia Pennsylvania USA
5. Department of Veterinary Medical Sciences University of Parma Parma Italy
6. Department of Clinical Sciences, Flint Animal Cancer Center Colorado State University Fort Collins Colorado USA
7. Department of Clinical Studies, Ontario Veterinary College University of Guelph Guelph Ontario Canada
8. VCA Canada ‐ 404 Veterinary Emergency and Referral Newmarket Ontario Canada
9. Department of Small Animal Clinical Sciences, College of Veterinary Medicine University of Tennessee Knoxville Tennessee USA