1. Section of Genetics & Inherited Metabolic Disease Section of Pediatrics, Special Care Department of Pediatrics Children’s Hospital Colorado University of Colorado Anschutz Medical Campus Aurora Colorado USA
2. Department of Neurology Rady Children’s Hospital San Diego California USA
3. Department of Psychiatry The Hospital for Sick Children Toronto Ontario Canada
4. Department of Pediatrics Clinical Genetics / Dysmorphology University of California, San Diego Rady Children’s Hospital San Diego San Diego California USA
5. Department of Pediatrics Erasmus MC Sophia Children’s Hospital Rotterdam Netherlands
6. ENCORE Expertise Center for Neurodevelopmental Disorders Erasmus MC University Medical Center Rotterdam The Netherlands
7. Department of Neurology and Pediatric Neurology Erasmus MC Rotterdam The Netherlands
8. Department of ENT (Speech & Language Pathology) Erasmus MC Rotterdam The Netherlands
9. Department of Physical Therapy Erasmus MC Rotterdam The Netherlands
10. Department of Obstetrics and Gynecology University of Michigan Ann Arbor Michigan USA
11. Developmental Pediatrics Department of Pediatrics Children’s Hospital Colorado University of Colorado Anschutz Medical Campus Aurora CO USA
12. Division of Neurology and Developmental Pediatrics Department of Pediatrics Baylor College of Medicine Houston Texas USA
13. Neurology Texas Children's Hospital Houston Texas USA
14. Department of Pediatrics Division of Child Neurology Weill Cornell Medicine New York‐Presbyterian Hospital New York New York USA
15. Angelman Syndrome Program Lurie Center for Autism Massachusetts General Hospital for Children Boston Massachusetts USA
16. Department of Neurology Hôpital Universitaire des Enfants Reine Fabiola Université Libre de Bruxelles (ULB) Brussels Belgium
17. Department of Psychiatry Boston Children’s Hospital Boston MA USA
18. UQ Child Health Research Centre Faculty of Medicine The University of Queensland Brisbane Queensland Australia
19. Center for Newborn Screening RTI International Research Triangle Park North Carolina USA
20. Audiology, Speech & Learning Services Children’s Hospital Colorado Aurora Colorado USA
21. Department of Psychiatry Carolina Institute for Developmental Disabilities University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
22. New York League for Early Learning William O'connor School New York New York USA
23. UNC Hospital Chapel Hill Chapel Hill North Carolina USA
24. Occupational Therapy Children’s Hospital Colorado Aurora Colorado USA
25. Department of Pediatric Rehabilitation Monroe Carell Jr. Children's Hospital at Vanderbilt Nashville Tennessee USA
26. Department of Physical Therapy Children’s Hospital Colorado University of Colorado Anschutz Medical Campus Aurora Colorado USA
27. Physical Therapy Children’s Hospital Colorado Aurora Colorado USA
28. Department of Ophthalmology and Visual Sciences University of Michigan Ann Arbo Michigan USA
29. Division of Ophthalmology Department of Ophthalmology Ann & Robert H. Lurie Children’s Hospital of Chicago Northwestern University Feinberg School of Medicine Ann Arbo Michigan USA
30. Department of Orthopedic Surgery Nationwide Children’s Hospital Columbus Ohio USA
31. Orthopedic Surgery San Diego Department of Pediatric Orthopedics University of California Rady Children’s Hospital San Diego California USA
32. Angelman Syndrome Foundation Aurora Illinois USA
33. Foundation for Angelman Syndrome Therapeutics Chicago Illinois USA
34. Department of Molecular and Human Genetics Baylor College of Medicine Houston Texas USA
35. Raymond C. Philips Unit Division of Genetics and Metabolism Department of Pediatrics University of Florida Gainesville Florida USA