Department of Neurosurgery, Ghent University Hospital, 9000 Ghent, Belgium.
Laboratory of Experimental Neurosurgery and Neuroanatomy, KU Leuven, Leuven, Belgium; Laboratory of Galenic Pharmacy and Biopharmacy, Université libre de Bruxelles, Brussels, Belgium.
Department of Neurosurgery, General Hospital Nikolaas, Sint Niklaas, Belgium.