Molecular Genetics in Brain Tumors – Case Report of a 7-year-old Girl with Recurrent Glioblastoma - Zinke, Claudia; Thorwarth, Anne; Hahn, Gabriele; Gurtner, Kristin; Smitka, Martin; Kramm, Christof; Witt, Olaf; Meinhardt, Matthias; Sobottka, Stephan; von der Hagen, Maja; Knöfler, Ralf (Neuropediatrics, 2019)