1. Department of Health, Animal Science and Food Safety VESPA, Università degli Studi di Milano, Milan, Italy
2. National Reference Laboratory on Animal Proteins in Feed, Istituto Zooprofilattico Sperimentale di Piemonte, Liguria e Valle D’Aosta, Turin, Italy
3. Food and Feed Quality Unit, Valorisation Department, Walloon Agricultural Research Centre CRA-W, Gembloux, Belgium