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.