Affiliation: | aDepartment of Veterinary Integrative Biosciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77843-4458, USA bFaculty of Medical Sciences, School of Veterinary Medicine, University of the West Indies, Champs Fleurs, Trinidad and Tobago cDepartment of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, CA 95616, USA |