1. Department of Clinical Pathology,
2. Brain Tumor Institute,
3. Institute of Human Genetics, University Hospital Eppendorf, Hamburg, Germany
4. Department of Human Genetics, Medical University of Vienna, Vienna, Austria
5. Department of Pediatrics and Pediatric Neurology, Georg August University, Göttingen, Germany
6. Department of Pediatrics,
7. Department of Neurology, and Genomic Medicine Institute, Cleveland Clinic Foundation, Cleveland, OH