Characterisation of the HollandPTC R&D proton beamline for physics and radiobiology studies. - Rovituso M; Groenendijk CF; van der Wal E; van Burik W; Ibrahimi A; Rituerto Prieto H; Brown JMC; Weber U; Simeonov Y; Fontana M; Lathouwers D; van Vulpen M; et al. (Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB), 2025)