1. Department of Genetics, Reproduction and Fetal Medicine, Institute of Biomedicine of Seville (IBIS); University Hospital Virgen del Rocío/CSIC/University of Seville; Seville Spain
2. Centre for Biomedical Network Research on Rare Diseases (CIBERER); Seville Spain
3. Department of Pediatrics; University Hospital 12 de Octubre; Madrid Spain
4. Unit of Genetics; University Hospital of Badajoz; Badajoz Spain
5. Faculty of Medicine, Department of Pediatrics; University Hospital of Badajoz; Badajoz Spain
6. Service of Paediatric Surgery; University Hospital of Badajoz; Badajoz Spain