EP-1569: Hippocampal Avoidance Prophylactic Cranial Irradiation - a novel coplanar linac-based technique. (April 2015) - Van Haaren, P.; De Smet, M.; Hellegers, D.; Habraken, A.; Van Lieshout, M.; Van Aarle, F.; Belderbos, J.; De Jaeger, K.