1Department of Clinical Pathology V. Cervello Hospital, Azienda Ospedaliera Villa Sofia-Cervello, Palermo, Italy, E-mail: marilisa-salemi@sofia.it
2Faculty of Education, Master of Science in Psychology, University of Palermo, Palermo, Italy, E-mail: marilisa-salemi@sofia.it
3Unit of Rheumatology, Allergology and Clinical Immunology, University of Rome Tor Vergata, Rome, Italy, E-mail: marilisa-salemi@sofia.it
4Department of Biological and Clinical Sciences Luigi Sacco, Luigi Sacco Hospital, University of Milan, Milano, Italy, E-mail: marilisa-salemi@sofia.it