Department of Veterinary Medicine Università degli Studi di Milano Via Celoria 10 Milano 2133 Italy;
Department of Theoretical and Applied Sciences Environment Analysis and Management Unit—Guido Tosi Research Group—Università degli Studi dell'Insubria Via J.H.Dunant 3 Varese 21100 Italy;
Department of Biology Evolutionary Ecology Group University of Antwerp Universiteitsplein 1 Wilrijk 2610 Belgium;
Department of Theoretical and Applied Sciences Environment Analysis and Management Unit—Guido Tosi Research Group—Università degli Studi dell'Insubria Via J.H.Dunant 3 Varese 21100 Italy;
Department of Psychology University of Michigan 530 Church Street Ann Arbor MI 48109 USA;
Department of Ecology and Evolutionary Biology University of Michigan 830 North University Ann Arbor MI 48109 USA;
Unit of Physiology Pathophysiology and Experimental Endocrinology Department of Biomedical Sciences University of Veterinary Medicine Vienna Veterin?rplatz 1 Vienna 1210 Austria;
Department of Theoretical and Applied Sciences Environment Analysis and Management Unit—Guido Tosi Research Group—Università degli Studi dell'Insubria Via J.H.Dunant 3 Varese 21100 Italy;
Department of Veterinary Medicine Università degli Studi di Milano Via Celoria 10 Milano 2133 Italy;
Centro di Ricerca Coordinata Epidemiologia e Sorveglianza Molecolare delle Infezioni Università degli Studi di Milano Milano Italy;
