1. Istituto Veterinario di Novara Novara Italy
2. Section of Veterinary Clinics and Animal Production, Department of Emergency and Organ Transplants University of Bari Aldo Moro Bari Italy
3. Section of Anesthesia and Intensive Care Department of Emergency and Organ Transplants University of Bari Aldo Moro Bari Italy
4. Centre Hospitalier Universitaire Veterinaire, Faculte de Medecine Veterinaire Universite de Montreal Montreal Québec Canada