1. Department of Medical-Surgical Specialties, Section of Obstetrics and Gynecology, University of Catania, Catania, Italy
2. University of Bari, Bari, Italy
3. University of Naples, Naples, Italy
4. Department of Molecular and Developmental Medicine, Policlinico Le Scotte, Siena, Italy
5. University of Palermo, Palermo, Italy
6. Department of Agriculture, Food and Environment, University of Catania, Catania, Italy
7. Department of Clinical and Community Sciences, Università degli Studi di Milano, Milan, Italy
8. Department of Mother, Child and Neonate, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy