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 21100 Varese Italy;
Department of Biology Evolutionary Ecology Group University of Antwerp Universiteitsplein 1 2610 Wilrijk Belgium;
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;
Department of Veterinary Medicine Università degli Studi di Milano Via Celoria 10 20133 Milano Italy;
Centro di Ricerca Coordinata Epidemiologia e Sorveglianza Molecolare delle Infezioni Università degli Studi di Milano Milano Italy;
Unit of Physiology Pathophysiology and Experimental Endocrinology Department of Biomedical Sciences University of Veterinary Medicine Vienna Veterin(a)rplatz 1 1210 Vienna Austria;