1. Department of Veterinary Science, University of Parma, Parma, Italy
2. Veterinary Practitioner DVM, Reggio Emilia, Italy
3. Azienda Unità Sanitaria Locale di Reggio Emilia, Reggio Emilia, Italy
4. Veterinary Practitioner DVM, Ringwood, England
5. Veterinary Practitioner DVM, Chiavari, Italy