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 Medical and Surgical Science; University Magna Gracia of Catanzaro; Catanzaro Italy
3. Department of Clinical Medicine and Surgery; University of Naples Federico II; Napoli Italy
4. Department of Microbiology; University Hospital of Milan; Milan Italy