1. Institute of Physiology, Pathophysiology and Biophysics, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210 Vienna, Austria
2. Clinic for Horses, University of Veterinary Medicine Hannover, Foundation, Bünteweg 9, 30559 Hannover, Germany
3. Institute of Human Genetics, University of Leipzig Medical Center, Philipp-Rosenthal-Strasse 55, 04103 Leipzig, Germany
4. Department for Horses, Veterinary Teaching Hospital, University of Leipzig, An den Tierkliniken 21, 04103 Leipzig, Germany