1. Department of Neurosurgery, Klinikum Grosshadern, Ludwig-Maximilians-University, Munich, Germany,
2. Department of Pediatric Neurology and Developmental Medicine, Dr von Hauner's Children's Hospital, Ludwig-Maximilians-University, Munich, Germany
3. Department of Neurology, Klinikum Grosshadern, Ludwig-Maximilians-University, Munich, Germany