1. Edward Mallinckrodt Department of Pediatrics Washington University School of Medicine and St. Louis Children's Hospital St. Louis Missouri
2. Department of Pediatric Neurology University of Göttingen Göttingen Germany
3. Division of Pediatric Neurology University Children's Hospital Zürich Zürich Switzerland
4. Institute of Medical Genetics and Applied Genomics University of Tübingen Tübingen Germany
5. Institute of Human Genetics Technische Universität München Munich Germany
6. Institute of Human Genetics Helmholtz Zentrum München Neuherberg Germany
7. Clinical Institute of Medical Genetics University Medical Centre Ljubljana Ljubljana Slovenia
8. Department of Paediatric Intensive Care University Medical Centre Ljubljana Ljubljana Slovenia
9. Neuromuscular Unit Pediatric Neurology Department Vall d'Hebron University Hospital‚ Vall d'Hebron Research Institute Barcelona Spain
10. Centre for Genomic Regulation (CRG) The Barcelona Institute of Science and Technology Barcelona Spain
11. Universitat Pompeu Fabra (UPF) Barcelona Spain
12. Mercy Children's Hospital Springfield Springfield Missouri
13. Fetal Care Center Washington University School of Medicine St. Louis Missouri
14. Department of Pathology and Immunology, Washington University School of Medicine St. Louis Missouri
15. Department of Neurology Washington University School of Medicine St. Louis Missouri