1. Centre for Clinical Veterinary Medicine; Equine Clinic; Ludwig Maximilians University; Munich Germany
2. Department of Pharmacy, Pharmaceutical Technology and Biopharmacy; Ludwig Maximilians University; Munich Germany
3. Department of Veterinary Science; Institute of Anatomy, Histology and Embryology; Ludwig Maximilians University; Munich Germany
4. Department of Veterinary Medicine; Equine Clinic; Surgery and Radiology; Free University of Berlin; Berlin Germany