1. BCNatal, Barcelona Center for Maternal-Fetal Medicine and Neonatology, Hospital Clínic and Hospital Sant Joan de Déu, IDIBAPS; University of Barcelona, and Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER) - Maternal-Fetal Medicine and Neonatology; Barcelona Spain
2. Department of Pediatric Surgery; Hospital Sant Joan de Déu; Barcelona Spain