1. Clinic of Small Animal Medicine Ludwig‐Maximilians‐Universität Munich Germany
2. Clinic for Small Animals Kaiserberg Duisburg Germany
3. Tierärztliche Überweisungspraxis Kirschenwäldchen Wetzlar Germany
4. Statistical Consulting Unit, StaBLab, Department of Statistics Ludwig‐Maximilians‐Universität Munich Germany
5. Division of Cardiology, Department of Small Animals, Vetsuisse Faculty University of Zurich Zurich Switzerland