1. BCNatal|Fetal Medicine Research Center (Hospital Clínic and Hospital Sant Joan de Déu) University of Barcelona Barcelona Spain
2. Department of Obstetrics and Gynecology University of Brescia Brescia Italy
3. Fetal Medicine Unit, Department of Obstetrics and Gynecology Hospital Clínico de la Universidad de Chile Santiago de Chile Chile
4. Fetal Medicine Unit, Department of Obstetrics and Gynecology Clínica Alemana de Santiago Santiago de Chile Chile
5. Centre for Biomedical Research on Rare Diseases (CIBER‐ER) Madrid Spain