1. Department of Medicine Universitat Autònoma de Barcelona Barcelona Spain
2. Digestive System Research Unit University Hospital Vall d'Hebron Barcelona Spain
3. Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (Ciberehd) Barcelona Spain
4. Research Group on Neuromuscular and Mitochondrial Disorders, Vall d'Hebron Institut de Recerca Universitat Autònoma de Barcelona Barcelona Spain
5. Biomedical Network Research Centre on Rare Diseases (CIBERER) Instituto de Salud Carlos III Madrid Spain
6. Clinic of Neuromuscular Disorders and Rare Diseases, Neurology Department Hospital Universitari Vall d'Hebron, Vall d'Hebron Research Institute Barcelona Spain
7. European Reference Network for Neuromuscular and Rare Diseases EURO‐NMD Barcelona Spain