1. Department of Vascular Surgery, A.O.U. “R. Dulbecco”, 88100 Catanzaro, Italy
2. Department of Vascular Surgery, “Annunziata” Hospital, 87100 Cosenza, Italy
3. Immunohaematology Section, “Annunziata” Hospital, 87100 Cosenza, Italy
4. Department of Clinical and Experimental Medicine, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy
5. Interuniversity Center of Phlebolymphology (CIFL), University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy
6. Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy