1. Department of Medicine and Health Science; University of Molise; Campobasso Italy
2. Department of Medical Genetics; Hospices Civils de Lyon; France
3. Claude Bernard Lyon I University; Lyon France
4. CRNL, CNRS UMR 5292, INSERM U1028; Lyon France
5. INSERM, UMR_S910; Marseille France
6. Department of Neuropediatrics; CHU Timone, APHM; Marseille France
7. Department of Neuropediatrics; Armand Trousseau Hospital; APHP Paris France
8. Department of Neuropediatrics; Hôpital Nord, CHU d'Amiens; Amiens France
9. Department of Neuroscience; University of Naples Federico II; Naples Italy
10. Department of Neuropediatrics; Robert Debré Hospital; APHP Paris France
11. INSERM U676; Paris France
12. Department of Neuropediatrics; Gui de Chauliac Hospital, CHU de Montpellier; Montpellier France
13. Department of Medical Genetics; Hopital de l'Archet 2, CHU de Nice; Nice France
14. Department of Neuropediatrics; Roger Salengro Hospital; Lille France
15. Department of Medical Genetics; Maternité de Nancy and CHU de Nancy; Nancy France
16. INSERM UMR954, Vandoeuvre-les-Nancy; France
17. Department of Medical Genetics; CHU de Caen; Caen France
18. Department of Genetics; Clinical Genetics Unit, Hôpital de la Pitié-Salpêtrière; APHP Paris France
19. Centre de Référence des Déficiences Intellectuelles de Causes Rares; APHP Paris France
20. Unidad de Biofísica; Consejo Superior de Investigaciones Cientificas - Universidad del Pais Vasco; Leioa Spain