1. Department of Pediatric Surgery and Pediatric Urology, University Children’s Hospital, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
2. Department of Neurosurgery, University Hospital, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
3. Center for Neuro-Oncology, Comprehensive Cancer Center Tuebingen-Stuttgart, University Hospital, Eberhard Karls University Tuebingen, 72070 Tuebingen, Germany
4. Department of Radiation Oncology, University Hospital, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
5. Department of Radiation Oncology, AKH, Comprehensive Cancer Center Vienna, Medical University Vienna, 1090 Vienna, Austria
6. Department of Anesthesiology and Intensive Care Medicine, University Hospital, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
7. Department of Diagnostic and Interventional Neuroradiology, University Hospital, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
8. Department of Pediatric Radiology, University Hospital, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
9. Center for Pediatric Oncology, Comprehensive Cancer Center Tuebingen-Stuttgart, University Hospital, Eberhard Karls University Tuebingen, 72070 Tuebingen, Germany