1. School of Medicine Estácio University Center Ribeirão Preto São Paulo Brazil
2. Pediatric Neurology Service, Albert Sabin Children's Hospital University of Ceará State Fortaleza Ceará Brazil
3. Reference Center in Inborn Errors of Metabolism, Department of Pediatrics Universidade Federal de São Paulo São Paulo Brazil
4. Medical Genetic Service Fundación Cardioinfantil Bogotá Colombia
5. Service of Children Neuropsychiatry, San Borja Arriarán Hospital School of Medicine of the University of Chile Santiago Chile
6. UCL MRC Laboratory for Molecular Cell Biology University College London London United Kingdom
7. Medical Genetics Section Hospital Nacional Prof. A. Posadas Buenos Aires Argentina
8. Foundation Neuroconexion Armenia Colombia
9. Human Genetic Service Bogotá Colombia
10. Dr. N.A Chamoles Laboratory Pedro de Elizalde Children's Hospital Buenos Aires Argentina
11. Metabolic Disease Section Corboda Children's Hospital Buenos Aires Argentina
12. Metabolic Unit Children Hospital of La Plata Buenos Aires Argentina
13. Department of Paediatrics National University of Colombia Bogotá Colombia
14. Medical Genetic Service Porto Alegre Clinic Hospital Porto Alegre Brazil
15. UCL MRC Laboratory for Molecular Cell Biology and UCL Great Ormond Street Institute of Child Health University College London London United Kingdom