1. Clinical Genetic Center; Department of Pediatrics; Medical and Health Science Center; University of Debrecen; Debrecen; Hungary
2. Department of Pediatrics; Medical and Health Science Center; University of Debrecen; Debrecen; Hungary
3. Department of Neurosurgery; Medical and Health Science Center; University of Debrecen; Debrecen; Hungary
4. Department of Clinical Genetics; Academic Medical Centrum; Amsterdam; The Netherlands