1. Institute of Human Genetics; RWTH Aachen University Hospital; Aachen Germany
2. Friedrich-Baur-Institute; LMU Munich; Munich Germany
3. Institute of Medical Genetics and Human Genetics; Charité-University Berlin; Berlin Germany
4. Abteilung Neuropädiatrie, Medizinische Fakultät Carl Gustav Carus; Technische Universität Dresden; Dresden Germany
5. Department of Neuropediatrics; University Hospital Freiburg; Freiburg Germany
6. Medical Faculty, Institute of Human Genetics and Anthropology; Heinrich-Heine University; Düsseldorf Germany
7. Dr. v. Hauner Childrens Hospital; University of Munich; Munich Germany
8. Department of Neuropediatrics, Developmental Neurology and Social Pediatrics; University Essen; Essen Germany
9. SPZ Pediatric Neurology; Charité University Berlin; Berlin Germany
10. Institute of Human Genetics; University Essen; Essen Germany
11. Center for Children and Adolescent Medicine; University Clinic Heidelberg; Heidelberg Germany