1. From the Department of Clinical and Experimental Medicine (NM, DG, PG, MS, SF, FP, RC, and OO) and the Section of Biology and Genetics, Department of Mother and Child and Biology–Genetics (GM, ET, and PFP), University of Verona, Italy; and the GSF-National Research Center for Environment and Health, Institute of Epidemiology, Neuherberg, Germany (TI, LS, and JH)