1. Swiss Institute of Equine Medicine (ISME) Vetsuisse‐Faculty University of Bern and Agroscope Bern Switzerland
2. Division of Clinical Radiology Department of Clinical Veterinary Medicine Vetsuisse‐Faculty University of Bern Bern Switzerland
3. Division of Anesthesiology Department of Clinical Veterinary Medicine Vetsuisse‐Faculty University of Bern Bern Switzerland
4. Service de Biomédecine Laboratoire des Catecholamines et Peptides University Hospital of Lausanne Lausanne Switzerland