1. Department of Medical Genetics; Lyon University Hospital and GENDEV team CNRS UMR 5292, INSERM U1028, CRNL, and University Claude Bernard Lyon 1, GHE; Lyon France
2. Danish Epilepsy Centre, Dianalund, and University of Southern Denmark, Institute for Regional Health research; Odense Denmark
3. Greenwood Genetic Center; Greenwood SC
4. Epilepsy Research Centre, Department of Medicine, Austin Health; University of Melbourne; Heidelberg VIC Australia
5. Institut für Humangenetik, Universitätsklinikum, and Universität Duisburg-Essen; Essen Germany
6. Service de Biostatistique-Bioinformatique, Lyon University Hospital, Lyon and CNRS UMR5558, Laboratoire de Biométrie et Biologie Evolutive, Equipe Biostatistique Santé, Villeurbanne, and University Claude Bernard Lyon 1; Lyon France
7. Centre de Biotechnologie Cellulaire, Hospices Civils de Lyon, Lyon, and Nerve-Muscle Interactions Team, Institut NeuroMyoGène CNRS UMR 5310-INSERM U1217-Université Claude Bernard Lyon 1; Lyon France
8. Department of Human Genetics; Radboud University Medical Center; Nijmegen The Netherlands
9. Oasi Research Institute-IRCCS; Troina Italy
10. Habiliteringscentrum, Ryhov Hospital; Jönköping Sweden
11. Department of Pediatrics, Pediatric Neurology; Herlev University Hospital; Copenhagen Denmark
12. Department of Pediatrics, Division of Genetic Medicine; University of Washington; Seattle WA
13. Centre de référence « Déficiences Intellectuelles de causes rares », HCL, F-69675, Bron; ISC, CNRS UMR 5304, Bron; Université de Lyon; Lyon France
14. Institut für Humangenetik, Universitätsklinikum Essen, Essen, and Institut für Humangenetik, Universitätsklinikum Düsseldorf; Düsseldorf Germany
15. Florey Institute of Neuroscience and Mental Health; The University of Melbourne; VIC Australia
16. Department of Paediatrics, Royal Children's Hospital; The University of Melbourne; Parkville Victoria Australia
17. Department of Neurology; Northwestern University Feinberg School of Medicine; Chicago IL