1. Department of Comparative Biomedicine and Food Science University of Padova Legnaro Italy
2. Department of Veterinary Medical Sciences Alma Mater Studiorum University of Bologna Ozzano dell'Emilia Italy
3. Istituto Zooprofilattico Sperimentale delle Venezie Legnaro Italy
4. Fondazione Edmund Mach San Michele all'Adige Italy
5. Skretting Italia Mozzecane Italy