1. Department of Mental Health and Public Medicine, Section of Infectious Diseases, Second University of Naples, Italy
2. Medical Center, Centro Sociale ex Canapificio, Caserta, Italy
3. Medical Center, Centro per la Tutela della Salute degli Immigrati, Naples, Italy
4. Medical Center, Centro di Accoglienza ‘La tenda di Abramo’, Caserta, Italy
5. Infectious Diseases Unit, AORN Sant’Anna e San Sebastiano, Caserta, Italy
6. Department of Clinical and Experimental Medicine and Surgery, Second University of Naples, Naples, Italy
7. Medical Center, Centro Suore Missionarie della Carità, Naples, Italy
8. Department of Experimental Medicine, Second University of Naples, Naples, Italy