1. Section of Pathology; Oncology; and Experimental Biology; School of Medicine, University of Ferrara; Ferrara Italy
2. Section of Hematology; School of Medicine, University of Modena and Reggio Emilia; Modena Italy
3. Section of Microbiology; Schools of Medicine and Sciences, University of Ferrara; Ferrara Italy
4. Institute for Maternal and Child Health-IRCCS Burlo Garofolo, Trieste Italy, and University of Trieste; Trieste Italy
5. Hospital Headquarter Department; State Hospital, Institute for Social Security; San Marino Republic of San Marino
6. Department of Medical Sciences; School of Medicine, University of Trieste; Trieste Italy
7. Department of Surgery; School of Medicine, University of Verona; Verona Italy
8. Department of Medicine; School of Medicine, University of Verona; Verona Italy