1. Thoracic Surgery Unit; Cardiovascular and Thoracic Department; Policlinic University Hospital; University of Messina; Messina Italy
2. Department of Neurosciences; Psychiatric and Anesthesiological Sciences; University of Messina; Messina Italy
3. Infectious Diseases Unit; Department of Human Pathology; Policlinic University Hospital; University of Messina; Messina Italy