1. Department of Neurosurgery, Brigham and Women's Hospital, Harvard University, Boston, Massachusetts, USA.
2. Diagnostic Imaging, St. Jude Children's Research Hospital, Memphis, Tennessee, USA.
3. Department of Radiation Oncology, University of Alabama at Birmingham, Birmingham, Alabama, USA.
4. Division of Pediatric Hematology and Oncology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama, USA.
5. Department of Neurosurgery, University of Alabama at Birmingham, Birmingham, Alabama, USA.
6. Department for Neurosurgery, Goethe University Frankfurt, Frankfurt am Main, Germany.
7. Division of Pediatric Infectious Disease, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama, USA.