1. AILMI (Associazione Italiana per la Lotta contro le Malattie Infettive), University of Messina, Messina, Italy
2. Department of Human Pathology, University of Messina, 98125 Messina, Italy
3. Department of Internal Medicine and Medical Therapy, University of Messina, 98125 Messina, Italy
4. Department of Pathology and Experimental Microbiology, University of Messina, 98125 Messina, Italy
5. Department of Life Sciences, University of Messina, 98166 Messina, Italy