1. Department of Neuroscience, Reproductive Sciences and Dentistry, School of Medicine, University of Naples “Federico II”, Naples, Italy;
2. Department of Biomedical Engineering, Politecnico di Milano, Milano, Italy;
3. Department of Electrical, Computer and Biomedical Engineering, University of Pavia, Pavia, Italy;
4. Division of Pediatrics, Department of Health Science, Obstetrics and Gynecology Careggi Hospital University of Florence, Florence, Italy;
5. Department of Gynecology and Obstetrics, School of Medicine, University of Udine, Udine, Italy;
6. Division of Maternal–Fetal Medicine, Department of Obstetrics and Gynecology, Sidney Kimmel Medical College of Thomas Jefferson University, Philadelphia, PA, USA