1. Department of Clinical Medicine and Surgery, University Federico II of Naples, Naples, Italy
2. Interuniversity Center of Phlebolymphology (CIFL), International Research and Educational Program in Clinical and Experimental Biotechnology, Catanzaro, Italy
3. Vascular Surgery Unit, Villa Del Sole Hospital81100Caserta, Italy
4. Transfusion Immunohematology Service, S.Andrea Hospital, 00192Rome, Italy
5. Ulcer Service Program, Castellammare Di Stabia, Naples, Italy
6. Medical Center Regeneration Home, Corato, Foggia,Italy
7. Department of Cardio-thoracic and Respiratory Sciences, University of Campania “Luigi Vanvitelli”, Naples, Italy
8. Vascular Surgery Unit, University of Catania, “Policlinico, Vittorio Emanuele” P.O. G. Rodolico , Catania, Italy
9. Angiology Service ASL NA 3 Sud, Nola District, 80035 Nola, Napoli, Italy
10. Vascular Surgery Unit, Neurologic Mediterranean Institute Neuromed, 86077 Pozzilli, Isernia, Italy
11. Department of Medical and Surgical Science, University Magna Graecia of Catanzaro, Catanzaro, Italy
12. Department of Surgical and Biomedical Sciences, Division of Week surgery, S. Maria Hospital, Terni, Italy
13. Department of Clinical Medicine and Surgery, University Federico II of Naples, Italy, via S. Pansini, 5, 80131Naples, Italy