1. Department of Medicine, Surgery and Dentistry, “Scuola Medica Salernitana”, Unit of Infectious Diseases, University of Salerno, Baronissi, Italy
2. Department of Medicine, Surgery and Dentistry, “Scuola Medica Salernitana”, Unit of Pharmacology, University of Salerno, Baronissi, Italy
3. Department of Medicine, Surgery and Dentistry, “Scuola Medica Salernitana”, Unit of Anesthesiology, University of Salerno, Baronissi, Italy
4. Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, Unit of Microbiology, University of Salerno, Baronissi, Italy
5. Department of Medicine, Service of Infectious Diseases, Cardarelli Hospital, Naples, Italy