1. Equine Medication Surveillance Laboratory; Department of Comparative Biomedical Sciences; School of Veterinary Medicine; Louisiana State University; Skip Bertman Drive Baton Rouge Louisiana 70803
2. Equine Health Studies Program; Veterinary Clinical Sciences; Louisiana State University; 1843 Veterinary Teaching Hospital; Baton Rouge Louisiana 70803
3. Louisiana Animal Disease Diagnostic Laboratory; Department of Pathobiological Sciences; School of Veterinary Medicine; Louisiana State University; Skip Bertman Drive Baton Rouge Louisiana 70803