1 University of Cologne, Center for Molecular Medicine Cologne (CMMC), Cologne, Germany.
2 University of Cologne, University Hospital Cologne and Faculty of Medicine, Department of Pediatrics, Cologne, Germany.
3 University of Cologne, Cologne Center for Genomics CCG, Cologne, Germany.
4 University of Cologne, University Hospital Cologne, Institute of Human Genetics, Cologne, Germany.
5 Department of General Pediatrics and Neonatology, Justus-Liebig-University, Gießen, Germany.
6 Department of Pediatric Genetics, Marmara University Medical School, Istanbul, Turkey.
7 Eastern Mediterranean University Medical School, Mersin, Turkey.
8 Department of Neurology, Mother and Child Health Care Institute of Serbia "Dr. Vukan Cupic", Belgrade, Serbia.
9 Department of Pediatric Neurology, Akdeniz University Hospital, Antalya, Turkey.
10 Department of Pediatric Neurology, Social Pediatrics and Epileptology, Justus-Liebig-University, Gießen, Germany.
11 Department of Neurology, Rheinische Friedrich-Wilhelms-University, Bonn, Germany.
12 Institute of Pathology, Philipps University of Marburg, Marburg, Germany.
13 Institute of Neuropathology, Justus-Liebig-University, Gießen, Germany.
14 Heidelberg University, University Children's Hospital Heidelberg, Department of Pediatrics, Heidelberg, Germany.
15 Institute of Human Genetics, Heidelberg University, Institute of Human Genetics, Heidelberg, Germany.
16 University of Montpellier, University Hospital of Montpellier, Molecular Diagnostic Laboratory, Montpellier, France.
17 University of Montpellier, University Hospital of Montpellier, Medical Genetics Department, Montpellier, France.
18 Johannes-Gutenberg University Mainz, University Medical Center Mainz, Institute of Neuropathology, Mainz, Germany.
19 Hacettepe University, Children's Hospital, Department of Pediatric Neurology, Ankara, Turkey.
20 Genetic Health Service NZ-Northern Hub, Auckland City Hospital, Auckland, New Zealand.
21 University of Cologne, Center for Rare Diseases Cologne (ZSEK), Cologne, Germany.
22 University of Cologne, Center for Molecular Medicine Cologne (CMMC), Cologne, Germany. sebahattin.cirak@uk-koeln.de.
23 University of Cologne, University Hospital Cologne and Faculty of Medicine, Department of Pediatrics, Cologne, Germany. sebahattin.cirak@uk-koeln.de.
24 University of Cologne, Center for Rare Diseases Cologne (ZSEK), Cologne, Germany. sebahattin.cirak@uk-koeln.de.