1. V U.O.C. P.O. Cotugno AORN Ospedali dei Colli; Naples Italy
2. Department of Mental and Physical Health and Preventive Medicine; Section of Human Anatomy; Second University of Naples; Italy
3. III U.O.C. P.O. Cotugno AORN Ospedali dei Colli; Naples Italy
4. Department of Mental and Physical Health and Preventive Medicine; Section of Infection Diseases; Second University of Naples; Italy
5. Department of Health Sciences; University of Molise; Campobasso