1. Department of Morphology, Biomedical Research Institute (BIOMED), Hasselt University, Hasselt, Belgium.
2. Department of Neuroscience, Maastricht University, Maastricht, The Netherlands.
3. Department of Neurosurgery, Maastricht University Medical Center, Maastricht, The Netherlands.
4. Department of Neurology, Maastricht University Medical Center, Maastricht, The Netherlands.
5. Department of Anesthesiology and Pain Management, Maastricht University Medical Center, Maastricht, The Netherlands.