1‘S Heeren Loo, Amersfoort, The Netherlands
2Emma Center for Personalized Medicine, Department of Pediatrics, Amsterdam UMC Location University of Amsterdam, Amsterdam, The Netherlands
3Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam UMC, Amsterdam, The Netherlands
4Amsterdam Public Health Research Institute, Methodology and Mental Health and Personalized Medicine, Amsterdam, The Netherlands
5Department of Child and Adolescent Psychiatry & Psychosocial Care, Emma Children’s Hospital, Amsterdam UMC Location University of Amsterdam, Amsterdam, The Netherlands
6Amsterdam Reproduction & Development, Child Development, Amsterdam, The Netherlands
7Department of Internal Medicine, University Medical Center Utrecht, Utrecht, The Netherlands
8Department of Nephrology and Arterial Hypertension, Universitair Ziekenhuis Brussel (UZ Brussel), Vrije Universiteit Brussel, Brussels, Belgium
9Department of Child and Adolescent Psychiatry/Psychology and ENCORE Expertise Center, Erasmus Medical Center Sophia Children’s Hospital, Rotterdam, The Netherlands
10Erasmus School of Health Policy & Management, Erasmus University Rotterdam, Rotterdam, The Netherlands
11Center for Adults With Rare Genetic Syndromes, Division of Endocrinology, Department of Internal Medicine, Erasmus University Medical Center Rotterdam, Rotterdam, The Netherlands
12Department of Pediatric Neurology and ENCORE Expertise Center, Erasmus Medical Center Sophia Children’s Hospital, Erasmus University Medical Center Rotterdam, Rotterdam, The Netherlands
13Neurogenetics Research Group, Reproduction Genetics and Regenerative Medicine Research Cluster, Vrije Universiteit Brussel, Brussels, Belgium
14Pediatric Neurology Unit, Department of Pediatrics, Antwerp University Hospital, Translational Neurosciences, University of Antwerp, Antwerp, Belgium
15Department of Pediatrics, University of Tennessee Health Sciences Center, Memphis, TN USA
16Le Bonheur Children’s Hospital and Boling Center for Developmental Disabilities, Memphis, TN USA
17Department of Neurology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH USA
18Department of Neurology, University of North Carolina at Chapel Hill, Chapel Hill, NC USA
19Centre for Autism Research in Africa (CARA), Division of Child & Adolescent Psychiatry, University of Cape Town, Cape Town, South Africa