1. BCNatal - Barcelona Center for Maternal Fetal and Neonatal Medicine; Hospital Sant Joan de Déu, University of Barcelona; Barcelona Spain
2. Department of Paediatric Cardiology; Hospital Sant Joan de Déu; Barcelona Spain
3. Spanish Maternal & Child Health Network Retic SAMID; Barcelona Spain
4. IDIBAPS and Center for Biomedical Research on Rare Diseases (CIBER-ER); Barcelona Spain