IMMU-17. PEPTIDE VACCINE IMMUNOTHERAPY BIOMARKERS AND RESPONSE PATTERNS IN PEDIATRIC GLIOMAS. - Mueller, Soeren; Agnihotri, Sameer; Shoger, Karsen; Myers, Max; Villanueva, Clarence; Diaz, Aaron; Okada, Hideho; Pollack, Ian; Kohanbash, Gary (Neuro-oncology, 2018)