1. Department of Neuropediatrics and Neuromuscular Centre for Children and Adolescents, Center for Translational Neuro- and Behavioral Sciences, University Hospital Essen, Duisburg-Essen University , Essen, Germany
2. Leibniz-Institut für Analytische Wissenschaften—ISAS—e.V. , Dortmund, Germany
3. Essen Centre for Rare Diseases (EZSE), University Hospital Essen, Duisburg-Essen University , Essen, Germany
4. Department of Neurology, Heinrich Heine University Düsseldorf , Düsseldorf, Germany
5. Institute of Human Genetics, University Duisburg–Essen, University Hospital Essen, Duisburg-Essen University , Essen, Germany
6. Institute of Neuropathology & Translational Neuroscience Network Giessen (TNNG), Justus Liebig University Giessen , Giessen, Germany
7. Children’s Hospital of Eastern Ontario Research Institute , Ottawa, Ontario, Canada