1. Unit of Infectious and Tropical Diseases, Department of Medical and Surgical Sciences, ‘Magna Graecia’ University, Catanzaro, Italy
2. Unit of Clinical Microbiology, Department of Health Sciences, ‘Magna Graecia’ University, Catanzaro, Italy
3. Unit of Intensive Care, Department of Medical and Surgical Sciences, ‘Magna Graecia’ University, Catanzaro, Italy