1. Unità Operativa di Genetica Medica; Grande Ospedale Metropolitano Bianchi-Melacrino-Morelli; Reggio Calabria Italy
2. Institute of Human Genetics; University Hospital Magdeburg; Magdeburg Germany
3. Division of Genetics and Epidemiology; Institute of Cancer Research; London and South West Thames Regional Genetics Service; St. George's University Hospitals NHS Foundation Trust; London UK
4. Autism Team Northern-Netherlands; Jonx Department of Youth Mental Health; Lentis Psychiatric Institute; Groningen The Netherlands
5. Institute of Medical and Molecular Genetics (INGEMM); Hospital Universitario La Paz; IdiPAZ; Universidad Autónoma de Madrid; and CIBERER; Centro de Investigación Biomédica en Red de Enfermedades Raras; ISCIII Madrid Spain
6. Academic Endocrine Unit; Radcliffe Department of Medicine; University of Oxford; Oxford UK
7. Genetics Unit, Hospital Universitario Central de Asturias; Oviedo Spain
8. Saudi Human Genome Project; King Abdulaziz City for Science and Technology; and Department of Genetics; King Faisal Specialist Hospital and Research Center; Riyadh Saudi Arabia
9. Cytogenetics Unit; Casa Sollievo della Sofferenza Foundation; San Giovanni Rotondo Italy
10. Department of Clinical Genetics; Leiden University Medical Centre; Leiden The Netherlands
11. Department of Clinical Genetics; Birmingham Women's and Children's NHS Foundation Trust; Birmingham UK
12. Département de Génétique Médicale; Hôpital Arnaud de Villeneuve; CHRU Montpellier; Montpellier France
13. Institute of Medical Genetics; University Hospital of Wales; Cardiff UK
14. Institute for Clinical Genetics; TU Dresden Dresden Germany
15. Department of Pediatric Genetics; Marmara University Medical School, Istanbul, and Eastern Mediterranean University; Mersin Turkey
16. McKusick-Nathans Institute of Genetic Medicine; Department of Pediatrics; Johns Hopkins University School of Medicine; Baltimore Maryland
17. Institute of Cancer and Genomic Sciences, College of Medical and Dental Sciences; University of Birmingham; Birmingham UK
18. Unit Hospital Universitario Central de Asturias; Oviedo Spain
19. Sørland Hospital; Kristiansand Norway
20. Laboratorio di Genetica Medica; ASST Papa Giovanni XXIII; Bergamo Italy
21. Institute of Human Genetics; Heidelberg University; Heidelberg Germany
22. South Australian Clinical Genetics Services; SA Pathology; North Adelaide Australia
23. UCD Academic Centre on Rare Diseases; School of Medicine and Medical Sciences; University College Dublin; and Clinical Genetics; Temple Street Children's University Hospital; Dublin Ireland
24. Department of Clinical Genetics; Academic Medical Center; Amsterdam The Netherlands
25. Belfast HSC Trust; Northern Ireland Regional Genetics Service; Belfast Northern Ireland
26. Department of Pediatrics; Academic Medical Center; University of Amsterdam; Amsterdam The Netherlands
27. Center for Integrative Brain Research; Seattle Children's Research Institute; and Department of Human Genetics, University of Washington; Seattle Washington
28. Newcastle upon Tyne NHS Foundation Trust; Newcastle upon Tyne UK
29. Mitteldeutscher Praxisverbund Humangenetik; Halle Germany
30. Medical Genetic and Laboratory Unit; “Antonio Cardarelli” Hospital; Naples Italy
31. Department of Clinical Genetics; Northampton General Hospital NHS Trust; Northampton UK
32. Wessex Clinical Genetics Service; Princess Ann Hospital; Southampton UK
33. CENAGEM; Centro Nacional de Genética; Buenos Aires Argentina
34. Royal Devon and Exeter NHS Foundation Trust; Exeter UK
35. University Hospitals Bristol NHS Trust; Bristol UK
36. Nottingham Clinical Genetics Service; Nottingham University Hospitals NHS Trust; Nottingham UK
37. Genetics Unit, Hospital Militar Central “Cirujano Mayor Dr. Cosme Argerich,”; Buenos Aires Argentina
38. Department of Clinical Genetics; VU University Medical Centre; Amsterdam The Netherlands
39. Department of Laboratory Medicine; Institute of Medical Genetics; Catholic University; Rome Italy