1. Fetal Medicine Research Center BCNatal – Barcelona Center for Maternal–Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Déu), Institut Clínic de Ginecologia, Obstetricia i Neonatologia, Universitat de Barcelona, Centre for Biomedical Research on Rare Diseases Barcelona Spain
2. Department of Obstetrics and Gynecology Hospital General de l'Hospitalet Barcelona Spain
3. Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona Spain
4. Fetal Medicine Unit Department of Obstetrics and Gynecology, Hospital Clínico de la Universidad de Chile Santiago Chile
5. ICREA Barcelona Spain
6. The Labatt Family Heart Center, Division of Cardiology Hospital for Sick Children and University of Toronto Toronto Canada