The effect of radiation dose to the brain on early self-reported cognitive function in brain and head-and-neck cancer patients. - Vaassen F; Hofstede D; Zegers CML; Dijkstra JB; Hoeben A; Anten MHME; Houben RMA; Hoebers F; Compter I; van Elmpt W; Eekers DBP (Clinical and translational radiation oncology, 2025)