1. Interuniversity Center of Phlebolymphology, International Research and Educational Program in Clinical and Experimental Biotechnology; University Magna Graecia of Catanzaro; Catanzaro Italy
2. Department of Surgical and Medical Sciences; University Magna Graecia of Catanzaro; Catanzaro Italy
3. Unit of Vascular Surgery; S. Anna Hospital; Catanzaro Italy
4. Department of Health Science; University of Catanzaro; Catanzaro Italy
5. Cardiovascular and Thoracic Department, “Policlinico G. Martino” Hospital; University of Messina; Messina Italy
6. Section of General Surgery, Teaching Hospital “San Luigi Gonzaga”, School of Medicine; University of Turin; Turin Italy