1. Unit of Vascular Surgery; Bianchi-Melacrino-Morelli Hospital; Reggio Calabria Italy
2. Cardiovascular and Thoracic Department, Policlinico G. Martino Hospital; University of Messina; Messina Italy
3. Department of Surgical and Medical Sciences; University Magna Graecia of Catanzaro; Catanzaro Italy
4. Interuniversity Center of Phlebolymphology (CIFL), International Research and Educational Program in Clinical and Experimental Biotechnology; University Magna Graecia of Catanzaro; Catanzaro Italy
5. School of Medicine; University of Messina; Messina Italy
6. School of Medicine; University Campus Biomedico of Rome; Rome Italy