1. Department of Toxicology and Cancer Biology and the Maxwell H. Gluck Equine Research Center, Department of Veterinary Science University of Kentucky Lexington Kentucky USA
2. Frontier BioPharm, LLC Richmond Kentucky USA
3. Equine Integrated Medicine Georgetown Kentucky USA
4. Industrial Laboratories Co Wheat Ridge CO USA
5. New York Drug Testing and Research Program Ithaca NY USA
6. American Association of Medical Review Officers Durham NC USA