1. Danish Epilepsy Center; Dianalund; Denmark
2. Department of Neurology and Epileptology; Hertie Institute for Clinical Brain Research; University Hospital Tübingen; Tübingen; Germany
3. Cologne Center for Genomics; University of Cologne; Cologne; Germany
4. Department of Neuropediatrics; University Medical Center Schleswig-Holstein; Christian-Albrechts University; Kiel; Germany
5. Department of Epileptology; University of Bonn; Bonn; Germany
6. Division of Genetic Medicine; Department of Pediatrics; University of Washington; Seattle; Washington; U.S.A
7. Institute for Clinical Molecular Biology; University Hospital Schleswig-Holstein; Kiel; Germany
8. Praxis of Human Genetics; Kiel; Germany
9. Neurological Practice “Am Seelberg”; Stuttgart; Germany
10. Institute of Epidemiology II; Helmholtz Zentrum München - German Research Center for Environmental Health; Neuherberg; Germany
11. Interfaculty Institute for Genetics and Functional Genomics; Ernst-Moritz-Arndt-University Greifswald; Greifswald; Germany
12. Department of Psychiatry and Psychotherapy; Ernst-Moritz-Arndt-University Greifswald; Greifswald; Germany
13. Wilhelm Johannsen Center for Functional Genome Research; University of Copenhagen; Copenhagen; Denmark