1. Institute of Human Genetics University of Leipzig Medical Center Leipzig Germany
2. Center of Functional Genomics Berlin Institute of Health at Charité ‐ Universitätsmedizin Berlin Berlin Germany
3. INSERM U1266, Institut de Psychiatrie et de Neurosciences de Paris Université de Paris Paris France
4. Département de Génétique Médicale INSERM Childhood Genetic Diseases, AP‐HP. Sorbonne Université, Hôpital Trousseau Paris France
5. APHP, Service de Neurologie Pédiatrique Hôpital Universitaire Bicetre Le Kremlin‐Bicetre France
6. Institute of Human Genetics Universitätsklinikum Erlangen, Friedrich‐Alexander‐Universität Erlangen‐Nürnberg Erlangen Germany
7. Institute for Clinical Genetics University Hospital Carl Gustav Carus at the Technische Universität Dresden Dresden Germany
8. INGEMM, Institute of Medical and Molecular Genetics Hospital Universitario La Paz, IDIPAZ Madrid Spain
9. ITHACA European Reference Network Spain
10. CIBERER, Centro de Investigación Biomédica en Red de Enfermedades Raras ISCIII Madrid Spain
11. Department of Genetics and Genomics Fundación Jiménez Díaz University Hospital Madrid Spain
12. Institute of Biochemistry Friedrich‐Alexander‐Universität Erlangen‐Nürnberg Erlangen Germany
13. Department of Human Genetics Inselspital, Bern University Hospital, University of Bern Bern Switzerland