Affiliation: | 1.Department of Neurosurgery, Neurosurgical Center Amsterdam, Location VU Medical Center, Amsterdam, The Netherlands ;2.Netherlands Comprehensive Cancer Organisation (IKNL), Utrecht, The Netherlands ;3.Department of Clinical Epidemiology and Biostatistics, Academic Medical Center, Amsterdam, The Netherlands ;4.Department of Neurosurgery, Maastricht University Medical Center, Maastricht, The Netherlands ;5.Department of Neurosurgery, St Elisabeth Hospital, Tilburg, The Netherlands ;6.Department of Neurosurgery, Medical Spectrum Twente, Enschede, The Netherlands ;7.Department of Neurosurgery, Medical Center Slotervaart, Amsterdam, The Netherlands ;8.Department of Neurosurgery, Isala, Zwolle, The Netherlands ;9.Department of Neurosurgery, Erasmus University Medical Center, Rotterdam, The Netherlands ;10.HAGA Teaching Hospital, The Hague, The Netherlands ;11.Leiden University Medical Center, Leiden, The Netherlands ;12.Department of Neurosurgery, Northwest Clinics, Alkmaar, The Netherlands ;13.Department of Neurosurgery, Medical Center Haaglanden, The Hague, The Netherlands ;14.Department of Neurosurgery, Martini Hospital, Groningen, The Netherlands ;15.Department of Neurosurgery, Radboud University Medical Center, Nijmegen, The Netherlands ;16.Department of Neurosurgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands ;17.Department of Neurology & Neurosurgery, University Medical Center Utrecht, Utrecht, The Netherlands ;18.Department of Neurosurgery, Amsterdam University Medical Centers, Location VU Medical Center, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands ; |