1. Cardiovascular and Thoracic Department,“Policlinico G. Martino” Hospital; University of Messina; Messina Italy
2. Department of Surgical and Medical Sciences; University Magna Graecia of Catanzaro; Catanzaro Italy
3. Interuniversity Center of Phlebolymphology (CIFL), International Research and Educational Program in Clinical and Experimental Biotechnology; University Magna Graecia of Catanzaro; Catanzaro Italy