References

• Friedlein K, Bozhkov Y, Hore N, Merkel A, Sommer B, Brandner S, Buchfelder M, Savaskan NE, Eyüpoglu IY. A new functional classification system (FGA/B) with prognostic value for glioma patients. Sci Rep. 2015 Jul 21;5:12373  doi: 10.1038/srep12373