1. BC Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), IDIBAPS, University of Barcelona, and Centre for Biomedical Research on Rare Diseases (CIBER-ER), Barcelona, Spain;
2. Università Degli Studi di Milano, Milan, Italy;
3. Department of Obstetrics and Gynecology, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy;
4. Department of Obstetrics and Gynecology, Istituti Clinici Humanitas-S.Pio X, Humanitas University, Milan, Italy;
5. Department of Obstetrics and Gynecology, School of Medicine, Azienda Ospedaliera Universitaria Policlinico di Bari, Università Degli Studi di Bari “Aldo Moro”, Bari, Italy