1. Department of Materno-Fetal Medicine, Genetics and Reproduction, Institute of Biomedicine of Seville (IBIS), Hospital Universitario Virgen del Rocio/CSIC/University of Seville, Seville, Spain;
2. FIRST (Fetal, IVF and Reproduction Simulation Training Centre), Seville, Spain;
3. Department of Paediatric Cardiology, Hospital Universitario Virgen del Rocio, Seville, Spain;
4. Centre for Biomedical Network Research on Rare Diseases (CIBERER), Seville, Spain