1 Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York, USA. Electronic address: reinera@mskcc.org.
2 Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York, USA.
3 Department of Neurology, Memorial Sloan Kettering Cancer Center, New York, New York, USA; Center for Research on End of Life Care, Weill Cornell Medical College, New York, New York, USA.
4 Department of Neurology, Memorial Sloan Kettering Cancer Center, New York, New York, USA; Department of Neurology, Weill Cornell Medicine, New York, New York, USA.
5 Department of Neurosurgery, Memorial Sloan Kettering Cancer Center, New York, New York, USA.