1. Veterinary Clinical Sciences; School of Veterinary Medicine; Louisiana State University; Baton Rouge Louisiana USA
2. Department of Biological and Agricultural Engineering; Louisiana State University; Baton Rouge Louisiana USA
3. Veterinary Clinical Sciences; The Ohio State University College of Veterinary Medicine; Columbus Ohio USA
4. Department of Large Animal Clinical Sciences, Texas A&M University; College of Veterinary Medicine and Biomedical Sciences; College Station Texas USA