OC-0589: Phase-II parallel non-randomized/observation study (EORTC 22042-26042) for non-benign meningiomas. (April 2018) - Weber, D.C.; Ares, C.; Villa, S.; Peerdeman, S.M.; Renard, L.; Baumert, B.G.; Lucas, A.; Stelmes, J.J.; Collette, S.; Miralbell, R.