Affiliation: | 1. The Maxwell H. Gluck Equine Research Center and Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, Kentucky, USA;2. Duer Forensic Toxicology, Inc., Isle of Sand Key, Clearwater, Florida, USA;3. New York Drug Testing and Research Program, Ithaca, New York, USA;4. Equine Integrated Medicine, PLC, Georgetown, Kentucky, USA;5. Cleveland Equine Clinic LLC, Ravenna, Ohio, USA;6. Equine Sports Medicine and Surgery, Weatherford, Texas, USA |