1. Department of Veterinary Medical Sciences; University of Bologna; Ozzano Emilia (Bologna) Italy
2. Section of Microbiology DIMES; S. Orsola Hospital, University of Bologna; Bologna Italy
3. Department of Anses; Animal Health Laboratory; Bacterial Zoonoses Unit; Paris-Est University; Maisons-Alfort France
4. IZSLER Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia-Romagna; Sezione di Bologna Italy