1. Department of Precision and Microsystems Engineering Delft University of Technology Mekelweg 2 Delft 2628 CD The Netherlands
2. Department of Neurology Erasmus MC Cancer Institute University Medical Center Doctor Molewaterplein 40 Rotterdam 3015 GD The Netherlands
3. Department of Medical Oncology Erasmus MC Cancer Institute University Medical Center Doctor Molewaterplein 40 Rotterdam 3015 GD The Netherlands
4. Department of Neurosurgery Erasmus MC Cancer Institute University Medical Center Doctor Molewaterplein 40 Rotterdam 3015 GD The Netherlands
5. Department of Pathology Erasmus MC Cancer Institute University Medical Center Doctor Molewaterplein 40 Rotterdam 3015 GD The Netherlands