1. Department of Obstetrics and Gynaecology (P.V., B.C., R.S., C.P., F.M., L.R., A.L.), Institute of System Analysis and Computer Science (IASI) BioMathLab, 00168 Rome, Italy
2. Catholic University of Sacred Heart, and Consiglio Nazionale delle Ricerche (S.P.), Institute of System Analysis and Computer Science (IASI) BioMathLab, 00168 Rome, Italy
3. Unit of Physiopathology of Human Reproduction (A.L.), OASI Institute for Research, 94018 Troina, Italy