1. Mitchell Cancer Institute, Departments of Cell Biology and Neuroscience, University of South Alabama, Mobile, USA
2. Division of Biostatistics, School of Public Health, The University of Texas - Houston Health Science Center, Houston, USA
3. Department of Genetics, The University of Texas M. D. Anderson Cancer Center, The University of Texas - Houston Health Science Center, Houston, USA
4. Department of Neuro-Oncology, The University of Texas M. D. Anderson Cancer Center, The University of Texas - Houston Health Science Center, Houston, USA
5. Ludwig Collaborative Laboratory, Department of Neurosurgery, Johns Hopkins University, Baltimore, USA.
6. Department of TCGA Genome Data Analysis Center, The University of Texas M. D. Anderson Cancer Center, The University of Texas - Houston Health Science Center, Houston, USA
7. Department of Bioinformatics and Computational Biology, The University of Texas M. D. Anderson Cancer Center, The University of Texas - Houston Health Science Center, Houston, USA