1. Institut für Medizinische Genetik und Humangenetik, Charité ‐ Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, and Berlin Institute of Health Berlin Germany
2. Max Planck Institute for Molecular Genetics, RG Development & Disease Berlin Germany
3. Department of Pediatric Neurology Semmelweis Medical University, II. Pediatric Clinic Budapest Hungary
4. Department of Pediatric Neurology University Hospital Essen, University Duisburg‐Essen Essen Germany
5. CUBI – Core Unit Bioinformatics Berlin Institute of Health Berlin Germany
6. Friedrich‐Baur‐Institute, Department of Neurology Ludwig‐Maximilians‐University of Munich Munich Germany
7. Department of Clinical Neurosciences University of Cambridge, Cambridge Biomedical Campus Cambridge UK
8. Department of Neuropediatrics, Charité‐Universitätsmedizin Berlin corporate member of Freie Universität Berlin, Humboldt‐Universität zu Berlin, and Berlin Institute of Health Berlin Germany
9. Children's Hospital of Eastern Ontario Research Institute University of Ottawa Ottawa Ontario Canada
10. Division of Neurology, Department of Medicine, The Ottawa Hospital Ottawa Canada
11. Brain and Mind Research Institute University of Ottawa Ottawa Canada
12. NIEH, Department of Molecular Genetics and Diagnostics Budapest Hungary
13. Istenhegyi Genetic Diagnostic Centre Budapest Hungary
14. Institute of Human Genetics University Medical Center Göttingen Göttingen Germany