PO-0934 Physical and biological doses with increasing number of proton beams for pediatric brain irradiation. (April 2019) - Toussaint, L.; Indelicato, D.J.; Holgersen, K.S.; Petersen, J.B.B.; Stokkevåg, C.H.; Lassen-Ramshad, Y.; Casares-Magaz, O.; Pedro, C.; Mikkelsen, R.; Vestergaard, A.; Hasle, H.; Muren, L.P.