1. Laboratori of Neuromuscular and Mitochondrial Disorders, Digestive System Research Unit, Institut de Recerca Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, Spain
2. Rare Diseases (CIBERER), ISCIII, Spain
3. Pediatrics Department, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Spain
4. Digestive System Research Unit, Institut de Recerca Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, Spain
5. Biomedical Network Research Centres on Hepatic and Digestive Disorders (CIBERehd)