1. Department of Clinical and Experimental Sciences, Section of Infectious and Tropical Diseases, University of Brescia, 25123 Brescia, Italy
2. Division of Infectious and Tropical Diseases, ASST Spedali Civili Hospital, 25123 Brescia, Italy
3. Unit of Prison Health, ASST Spedali Civili Hospital, 25123 Brescia, Italy
4. Unit of Microbiology and Virology, Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy