1. Department of Medicine, Surgery and Reproduction, Hassan II Institute of Agronomy and Veterinary Medicine, Rabat, Morocco
2. Small Animal Surgery Department, Pride Veterinary Centre, Derby, UK
3. Department of Animal Production, National Office of Sanitary Safety of Food Products, Rabat, Morocco
4. Department of Small Animal Internal Medicine, University Hospital Center, National Veterinary Schooll of Maisons-Alfort, University of Paris-Est Créteil, Val-de-Marne, France
5. MICEN VET, Créteil, France