1. Neurosurgery Department, University Hospital Saint Luc, Université Catholique de Louvain, Av. Hippocrate 10, 1200 Brussels, Belgium
2. Neurology Department, University Hospital Saint Luc, Université Catholique de Louvain, Av. Hippocrate 10, 1200 Brussels, Belgium
3. Hospital Delta, CHIREC Boulevard du Triomphe 201, 1160 Brussels, Belgium