1. Department of Human Pathology, Policlinico “G. Martino” University Hospital, University of Messina, Messina, Italy.
2. Associazione Italiana per la Lotta contro le Malattie Infettive (AILMI; Italian Association for the Control of Infectious Diseases), University of Messina, Messina, Italy.
3. Vascular Surgery Unit, Policlinico “G. Martino” University Hospital, University of Messina, Messina, Italy.
4. Infectious Diseases Department, Azienda Ospedaliera Ospedali Riuniti “Papardo Piemonte” Messina, Italy.
5. Institute of Continuing Medical Education of Ioannina, Ioannina, Greece.