Figure 1:

(A) Flowchart of the study cohort. (A) A total of 145 children and adolescents from 14 European countries were screened for suspected GC. ^†39 cases did not fulfill the neuroradiological criteria and were excluded. ^‡Two tumors were excluded as a glial process could not be confirmed unambiguously through central neuropathological review. (B) Composition of the subgroup with available molecular data comprising DNA methylation profiling and whole exome sequencing.