1. Institute of Clinical Infectious Diseases; Fondazione Policlinico Universitario A. Gemelli IRCCS; Catholic University of the Sacred Heart; Rome Italy
2. Division of Infectious Diseases; Department of Infectious Diseases; Luigi Sacco University Hospital; Milan Italy
3. Infectious Diseases Unit; DIBIC Luigi Sacco; University of Milan; Milan Italy
4. Division of Tropical and Infectious Diseases; ‘Careggi’ Hospital; Florence Italy
5. Infectious Dermatology and Allergology Unit; IFO S. Gallicano Institute (IRCCS); Rome Italy
6. Department of Clinical and Experimental Medicine; University of Sassari; Sassari Italy
7. University Division of Infectious Diseases; Siena University Hospital; Siena Italy