1. Department of Veterinary Clinical Sciences, College of Veterinary Medicine Iowa State University Ames Iowa USA
2. Department of Clinical Sciences, College of Veterinary Medicine North Carolina State University Raleigh North Carolina USA
3. Department of Large Animal Clinical Sciences, College of Veterinary Medicine University of Florida Gainesville Florida USA
4. Ceva Santé Animale Libourne France
5. Ceva Animal Health Lenexa Kansas USA
6. Seoul Animal Heart Hospital Seoul South Korea