1. CBTRUS, Central Brain Tumor Registry of the United States. CBTRUS statistical report: primary brain and central nervous system tumors diagnosed in the United States in 2004-2008. Available at: www.cbtrus.org. Accessed July 12, 2012
2. Howlader N, Noone AM, Krapcho M, et al, eds. SEER Cancer Statistics Review, 1975-2008, Bethesda, MD: National Cancer Institute. Available at: http://seer.cancer.gov/csr/1975_2008/. Accessed July 12, 2012
3. The 2007 WHO classification of tumours of the central nervous system;Louis;Acta Neuropathol,2007
4. The molecular classification of medulloblastoma: driving the next generation clinical trials;Leary;Curr Opin Pediatr,2012
5. . Molecular subgroups of medulloblastoma: an international meta-analysis of transcriptome, genetic aberrations, and clinical data of WNT, SHH, Group 3, and Group 4 medulloblastomas;Kool;Acta Neuropathol.,2012;