1. Department of MedicineSurgery and Dentistry “Scuola Medica Salernitana” Salerno Italy
2. Department of Translational Medical ScienceFederico II University Naples Italy
3. Medical Genetic UnitSARAH Network of Rehabilitation Hospitals Brasilia Brazil
4. Cooks Children's Genetics Fort Worth Texas USA
5. Department of NeurologyUniversity of Cincinnati, Gardner Family Center for Parkinson's Disease and Movement Disorders Cincinnati Ohio USA
6. Department of Human GeneticsEmory University School of Medicine Atlanta Georgia USA
7. Department of GeneticsBioCruces Bizkaia Health Research Institute, Hospital Universitario Cruces Bizkaia Spain
8. Department of GeneticsUniversity of Groningen, UMC Groningen Groningen The Netherlands
9. Department of Pediatrics, Division of Rare DiseasesRigshospitalet, Copenhagen University Hospital Copenhagen Denmark
10. Department of Human GeneticsRadboud UMC Nijmegen The Netherlands
11. Department of Pediatrics, Jeroen Bosch Hospital 's‐Hertogenbosch The Netherlands
12. Wessex Clinical Genetics ServiceUniversity Hospitals of Southampton NHS Trust Southampton UK
13. Department of PediatricsAmsterdam UMC Amsterdam The Netherlands
14. Translational Genomic Research Institute, Center for Rare Childhood Disorders Phoenix Arizona USA
15. Medical Genetics DepartmentUPMC Children's Hospital of Pittsburgh Pittsburgh Pensylvania USA
16. Department of Clinical GeneticsAmsterdam UMC, University of Amsterdam Amsterdam The Netherlands
17. Department of Clinical GeneticsPodlaskie Medical Center Bialystok Poland
18. Department of Clinical Genetics and GROW School for Oncology and Developmental BiologyMaastricht UMC Maastricht The Netherlands
19. Department of Clinical Genetics Erasmus Medical Center Rotterdam The Netherlands
20. Department of Hematology, Oncology and Molecular Medicine, National Center for Drug Research and Evaluation, Istituto Superiore di Sanità Rome Italy
21. Clinical Genetics Department, Royal Devon & Exeter Healthcare NHS Exeter UK
22. Genetics and Rare Diseases Research Division, Ospedale Pediatrico Bambino Gesù Rome Italy
23. Division of Genetic MedicineUniversity of Lausanne Lausanne Switzerland
24. North Florida Regional Medical Center, Gainesville Florida USA
25. Division of Genetics and EpidemiologyInstitute of Cancer Research London UK