1. Cardiovascular and Thoracic Department, ‘Policlinico G. Martino’ Hospital; University of Messina; Messina Italy
2. Department of Surgical and Medical Science; University Magna Graecia of Catanzaro; Catanzaro Italy
3. Interuniversity Center of Phlebolymphology, International Research and Educational Program in Clinical and Experimental Biotechnology; University Magna Graecia of Catanzaro; Catanzaro Italy