1. Department of Pediatric Neurology, Rare Disease Center Clínica Las Condes Santiago Chile
2. Department of Pediatrics, Reference Center for Inborn Errors of Metabolism University Hospital of Nancy Nancy France
3. INSERM UMR_S 1256, Nutrition, Genetics, and Environmental Risk Exposure (NGERE), Faculty of Medicine of Nancy University of Lorraine Nancy France
4. Pediatric Neurology Department, Center de Référence Maladies Neuromusculaires (GNMH) Necker University Hospital, AP‐HP Paris France
5. Department of Radiology, Hospital Sant Joan de Déu Institut de Recerca Sant Joan de Déu Barcelona Spain
6. Pediatric Department. Rare Diseases Center Clínica Las Condes Santiago Chile
7. Department of Genetic and Molecular Medicine and Pediatric Institute of Rare Diseases Hospital Sant Joan de Déu Barcelona Spain
8. Clinical Biochemistry Department Institut de Recerca Hospital Sant Joan de Déu Barcelona Barcelona Spain
9. Unit‐703 Center for Biomedical Research on Rare Diseases (CIBER‐ER) Instituto de Salud Carlos III Madrid Spain
10. Service de Biochimie Métabolique et Cellulaire Hôpital Bichat‐Claude Bernard, AP‐HP Paris France
11. INSERM UMR_S 1149, Faculté de Médecine Xavier Bichat Université de Paris Paris France
12. INSERM UMR1193, “Mécanismes cellulaires et moléculaires de l'adaptation au stress et cancérogenèse” Université Paris‐Sud Châtenay‐Malabry France
13. Pediatric Neurology Department, Hospital Sant Joan de Déu Institut de Recerca Sant Joan de Déu Barcelona Spain