L Veronesi1, P Affanni1, C Verrotti di Pianella2, M E Colucci1, M L Tanzi1. 1. Unit of Public Health, Department of Biomedical, Biotechnological and Translational Sciences (S.Bi.Bi.T), University of Parma, Italy. 2. Unit of Gynecology and Obstetrics, Department of Surgical Sciences, University of Parma, Italy.