Affiliations

• ¹ Division of Metabolic Diseases, Beatrix Children's Hospital, University Medical Center Groningen, University of Groningen, 9700 RB, Groningen, Netherlands. Electronic address: f.j.van.spronsen@umcg.nl.
• ² Division of Metabolic Diseases, Beatrix Children's Hospital, University Medical Center Groningen, University of Groningen, 9700 RB, Groningen, Netherlands.
• ³ Department of PKU, Kennedy Centre, Copenhagen University Hospital, Glostrup, Denmark.
• ⁴ Metabolic Diseases Unit, Department of Pediatrics, Hospital Ramon y Cajal, Madrid, Spain.
• ⁵ University Children's Hospital, Dietmar-Hoppe Metabolic Centre, Heidelberg, Germany; University Children's Hospital Zurich, Zurich, Switzerland.
• ⁶ Department of Paediatrics, Division of Metabolic Disorders, Academic Medical Centre, University Hospital of Amsterdam, Amsterdam, Netherlands.
• ⁷ Division of Inherited Metabolic Diseases, Department of Paediatrics, University Hospital of Padova, Padova, Italy.
• ⁸ Neuropaediatrics Department, Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain.
• ⁹ Department of Pediatrics, Hôpital d'Enfants Brabois, CHU Nancy, Vandoeuvre les Nancy, France.
• ¹⁰ Department of Pediatrics, Endocrinology, Diabetology, Metabolic Diseases and Cardiology of the Developmental Age, Pomeranian Medical University, Szczecin, Poland.
• ¹¹ Department of Clinical Child and Adolescent Studies-Neurodevelopmental Disorders, Faculty of Social Sciences, Leiden University, Leiden, Netherlands.
• ¹² Clinical Psychology Department, Birmingham Children's Hospital, Birmingham, UK.
• ¹³ Department of Pediatrics, Child Neurology and Psychiatry, Sapienza University of Rome, Rome, Italy.
• ¹⁴ Internal Medicine Service, CHRU de Tours, François Rabelais University, Tours, France.
• ¹⁵ University Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
• ¹⁶ University Children's Hospital, Dietmar-Hoppe Metabolic Centre, Heidelberg, Germany.
• ¹⁷ Department of Dietetics, Beatrix Children's Hospital, University Medical Center Groningen, University of Groningen, Groningen, Netherlands.
• ¹⁸ Dietetic Department, Birmingham Children's Hospital, Birmingham, UK.