Affiliations

• ¹ 1 Department of Neurology, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands 2 Department of Paediatric Neurology/Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands m.engelen@amc.uva.nl.
• ² 3 INSERM U698, Hôpital Bichat, Paris, France.
• ³ 4 Department of Clinical Chemistry, Laboratory Genetic Metabolic Diseases, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands.
• ⁴ 2 Department of Paediatric Neurology/Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands.
• ⁵ 1 Department of Neurology, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands.
• ⁶ 5 Department of Clinical Epidemiology, Biostatistics and Bio-informatics, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands.
• ⁷ 3 INSERM U698, Hôpital Bichat, Paris, France 6 INSERM U986, Le Kremlin-Bicêtre, Paris, France.
• ⁸ 7 Department of Neurology, Medical Centre Alkmaar, Alkmaar, The Netherlands.
• ⁹ 1 Department of Neurology, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands 2 Department of Paediatric Neurology/Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands.
• ¹⁰ 2 Department of Paediatric Neurology/Emma Children's Hospital, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands 4 Department of Clinical Chemistry, Laboratory Genetic Metabolic Diseases, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands.