1. Veterinary Genetics Laboratory School of Veterinary Medicine University of California Davis Davis California USA
2. Department of Population Health and Reproduction School of Veterinary Medicine University of California Davis Davis California USA
3. Department of Clinical Sciences College of Veterinary Medicine and Biomedical Sciences Colorado State University Fort Collins Colorado USA
4. Department of Veterinary Clinical Sciences Faculty of Health and Medical Sciences University of Copenhagen Taastrup Denmark
5. Genesee Valley Equine Clinic, LLC Scottsville New York USA