We encourage you to check our recent publication by Zonitsas, S.; Gkikoudi, A.; Kaperoni, K.; Triantopoulou, S.; Matsades, P.G.; Diamantaki, D.; Adamopoulou, A.; Pantalos, I.; Koumenis, C.; Axiotis, M.; et al. Development and Evaluation of a Proton Irradiation Setup for Radiobiological Studies Using Low-Energy Protons with a Polyenergetic Spectrum (0–5.5 MeV, Mean 4.1 MeV). Radiation 2026, 6, 7. https://doi.org/10.3390/radiation6010007