1. Department of Medical Surgical and Experimental Sciences University of Sassari Sassari Italy
2. Penitentiary Infectious Diseases Unit A.O. Santi Paolo e CarloUniversity of Milan Milan Italy
3. Medicina Protetta‐Unit of Infectious Diseases Belcolle Hospital Viterbo Italy
4. Infectious Disease Unit Galliera Hospital Genoa Italy
5. 2nd Division of Infectious Diseases Policlinico San Matteo Hospital Pavia Italy
6. ARNASOspedale Civico‐Benefratelli Palermo Italy
7. Infectious Diseases Unit, A.O. Santa Maria alle Scotte Siena Italy