Institution: | 1. Department of Obstetrics and Gynecology, Hospital General de l'Hospitalet, L'Hospitalet del Llobregat, Barcelona, Catalonia, Spain;2. Prenatal Diagnosis Unit, Department of Maternal–Fetal Medicine, ICGON, Hospital Clinic Barcelona, University of Barcelona, Barcelona, Catalonia, Spain;3. Biomedical Diagnosis Center, Hospital Clinic Barcelona, Barcelona, Catalonia, Spain |