1. Faculty of Veterinary SciencesDepartment of Biomedical ScienceCentral University of Venezuela Maracay Venezuela
2. PharmacologyDepartment of BiomedicineAarhus University Aarhus Denmark
3. Large Animal MedicineFaculty of Veterinary MedicineDepartment of Animal and Public HealthNational Experimental University “Romulo Gallegos” Zaraza Venezuela
4. Anatomy, Physiology and Pharmacology DepartmentSchool of Veterinary MedicineSaint George's University Saint George's Grenada