1. Department of Pharmacology, University of North Carolina, Chapel Hill, North Carolina, USA
2. Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
3. Department of Food Science and Human Nutrition, Michigan State University, East Lansing, Michigan, USA
4. Veterinary Diagnostic Laboratory, North Dakota State University, Fargo, North Dakota, USA
5. Veterinary Diagnostic Laboratory, Michigan State University, Lansing, Michigan, USA