1. Research and Development Unit, Human Genetics Department, National Institute of Health Doutor Ricardo Jorge, 4000-055 Porto, Portugal
2. Neonatal Screening, Metabolism and Genetics Unit, Human Genetics Department, National Institute of Health Doutor Ricardo Jorge, 4000-055 Porto, Portugal
3. Inherited Metabolic Disease Reference Center, Lisbon North University Hospital Center (CHULN), EPE, 1649-028 Lisbon, Portugal
4. Inherited Metabolic Disease Reference Center, Pediatric Hospital, Hospital and University Center of Coimbra, 3004-561 Coimbra, Portugal
5. Neurogenetics Department, Faculdade de Medicina de São Jose do Rio Preto, São Jose do Rio Preto 15090-000, Brazil
6. Oporto Hospital Centre, University of Porto, 4099-001 Porto, Portugal
7. Unit for Multidisciplinary Research in Biomedicine, Instituto de Ciências Biomédicas Abel Salazar, Porto University, 4050-313 Porto, Portugal
8. Department of Neurology Porto Hospital and University Centre, EPE, 4050-011 Porto, Portugal
9. Reference Center for Inherited Metabolic Disorders, University Hospital Centre S. João, 4200-319 Porto, Portugal
10. Department of Pediatrics, Hospital Centre, EPE, 4434-502 Vila Nova de Gaia, Portugal
11. Department of Pediatrics, Hospital D. Estefânia, 1169-045 Lisbon, Portugal