1. Department of Clinical and Community Sciences University of Milan Milan Italy
2. Department of Woman Child and Neonate Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico Milan Italy
3. Center for Fetal Care Queen Charlotte's and Chelsea Hospital Imperial College Healthcare, National Health Service Trust London UK
4. Department of Clinical Science, Intervention and Technology Karolinska Institute and Center for Fetal Medicine Karolinska University Hospital Stockholm Sweden
5. Women's Health and Perinatology Research Group Department of Clinical Medicine UiT‐The Arctic University of Norway Tromsø Norway