1. From the Department of Neurology (L.D.K., S.D., D.C.H., T.K., B.-L.T., W.W.), University Hospital Heidelberg, Heidelberg University; Clinical Cooperation Unit (CCU) Neuro-Oncology (L.D.K., D.C.H., T.K., W.W.), German Cancer Research Center (DKFZ) and German Consortium for Translational Cancer Research, Heidelberg; Department of Biostatistics (T.H.), German Cancer Research Center (DKFZ), Heidelberg, Germany; and Departments of Neurology and Neurosurgery (J.M.B.), Yale School of Medicine, New Haven, CT.