1 Department of General Pediatrics and Neonatology, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University, 40225, Düsseldorf, Germany.
2 West German Center for Child and Adolescent Health, partner site, 40225, Düsseldorf, Germany.
3 Department of Medical Genetics, Etlik City Hospital, 06170, Ankara, Turkey.
4 Institute of Medical Genetics and Applied Genomics, University of Tübingen, 72076, Tübingen, Germany.
5 Department of Pediatric Neurology, Centre for Neuromuscular Disorders, Centre for Translational Neuro- and Behavioral Sciences, University Duisburg-Essen, 45147, Essen, Germany.
6 Division of Pediatric Neurology, Department of Pediatrics, Etlik City Hospital, 06170, Ankara, Turkey.
7 Pediatric Pathology Unit, Department of Pediatrics, Hacettepe University, 06230, Ankara, Turkey.
8 Institute of Neuropathology, RWTH Aachen University Hospital, 52074, Aachen, Germany.
9 Brain and Mind Research Institute, Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON, K1H 8L1, Canada.
10 Department of Neurology, Medical Faculty and University Hospital Düsseldorf, Heinrich Heine University, 40225, Düsseldorf, Germany.