1. Operative Unit of Clinical Microbiology, S. Orsola-Malpighi University Hospital, Bologna, Italy
2. Operative Unit of Infectious Diseases, S. Orsola-Malpighi University Hospital, Bologna, Italy
3. Department of Medical and Surgical Sciences DIMEC, University of Bologna, Bologna, Italy
4. Risk Analysis Unit, Istituto Zooprofilattico Sperimentale della Lombardia e dell’Emilia Romagna (IZSLER), Parma, Italy