1. ULSS 20 Verona; Center of Community Medicine and Infectious Diseases Service; Via Germania, 20 Verona Italy 37135
2. Università di Padova; Department of Histology, Microbiology and Medical Biotechnology; Via Aristide Gabelli, 63 PADOVA Italy 35121
3. ULSS 20 Verona; Dipartimento delle Dipendenze; Via Germania, 20 37135 Verona Italy
4. ULSS 20 Verona; Center of Community Medicine; Via Germania, 20 37135 Verona Italy