1. Department of Veterinary Clinical Sciences (Diana, Cipone), University of Bologna, Via Tolara di Sopra 50, Ozzano Emilia, Bologna, I-40064, Italy the
2. Department of Veterinary Clinical Sciences (Guglielmini, Valerio), University of Teramo, Viale Crispi 212, Teramo, I-64100, Italy; and the
3. Department of Veterinary Clinical Sciences (Acocella), University of Milano, Via Celoria 10, Milan, I-20133, Italy
4. From the