1. Department of Obstetrics & Gynaecology, “Magna Graecia” University of Catanzaro, Catanzaro, Italy;
2. G.EN.E.R.A. Centers for Reproductive Medicine, Rome, Italy;
3. Department of Clinical and Molecular Medicine, "Sapienza" University of Rome, Rome, Italy;
4. Department of Obstetrics & Gynaecology, AO Annunziata di Cosenza, Cosenza, Italy;
5. Department of Neuroscience, Reproductive Sciences and Dentistry, University of Naples "Federico II", Naples, Italy