1. Center for Medical Education and Clinical Research (CEMIC), University Hospital, Buenos Aires, Argentina;
2. School of Medicine, University of Buenos Aires, Buenos Aires, Argentina;
3. Department of Obstetrics and Gynecology, University Hospital of Northern Norway, Tromsø, Norway;
4. Department of Clinical Medicine, Faculty of Health Sciences, Women’s Health and Perinatology Research Group, UiT-The Arctic University of Norway, Tromsø, Norway;
5. Department of Obstetrics and Gynaecology, G. d’ Annunzio University of Chieti, Chieti, Italy