1. Centre for Clinical Veterinary Medicine Ludwig‐Maximilian University Munich Munich Germany
2. Department of Comparative medicine, Institute of Biomedical Engineering University of Tennessee Knoxville TN USA
3. Veterinary Practice Dr. Kühnle, Parkstr. 7, 74532 Ilshofen Germany
4. Equine Hospital, Equine Department, Vetsuisse Faculty University of Zurich Zurich Switzerland