OC-0456: Translation of a prompt gamma based proton range verification system to first clinical application. (April 2016) - Richter, C.; Pausch, G.; Barczyk, S.; Priegnitz, M.; Golnik, C.; Bombelli, L.; Enghardt, W.; Fiedler, F.; Fiorini, C.; Hotoiu, L.; Janssens, G.; Keitz, I.; et al.