Acute Toxicities During Proton Therapy with or Without Simultaneous Chemotherapy in Pediatric CNS Tumors: A Retrospective Cohort Study. - Schuermann, Eicke; Peters, Sarah; Adolph, Jonas E.; Merta, Julien; Rutkowski, Stefan; Frühwald, Michael C.; Dammann, Philipp; Müller, Hermann L.; Kramm, Christof M.; Fleischhack, Gudrun; Timmermann, Beate; Tippelt, Stephan (Cancers, 2026)