1. BCNatal, Fetal Medicine Research Center (Hospital Clínic and Hospital Sant Joan de Déu), Universitat de Barcelona Barcelona Spain
2. Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) Barcelona Spain
3. Centre for Biomedical Research on Rare Diseases (CIBER‐ER) Madrid Spain
4. Assisted Reproduction Unit Hospital Clínic de Barcelona, Universitat de Barcelona Barcelona Spain