Citation and References ================================= Using FRED, please refer to: Schiavi, A., Senzacqua, M., Pioli, S., Mairani, A., Magro, G., Molinelli, S., Ciocca, M., Battistoni, G., Patera, V. *Fred: a GPU-accelerated fast-Monte Carlo code for rapid treatment plan recalculation in ion beam therapy.* Physics in Medicine and Biology, 62(18), 7482–7504. (2017) https://doi.org/10.1088/1361-6560/aa8134 .. `BibTeX `_ Other references: Rucinski, A., Gajewski, J., Olko, P., Rinaldi, I., Patera, V., Schiavi, A. (2017). *GPU-accelerated Monte Carlo code for fast dose recalculation in proton beam therapy.* Acta Physica Polonica B Proceedings Supplement, 1–6 (2017) https://www.actaphys.uj.edu.pl/R/48/10/1625/pdf Gajewski, J.,Garbacz, M.,Chang, C., Czerska, K., Durante, M., Krah, N., Krzempek, K., Kopeć, R., Lin, L., Mojżeszek, N., Patera, V., Pawlik-Niedzwiecka, M., Rinaldi, I., Rydygier, M., Pluta, E., Scifoni, E., Skrzypek, A., Tommasino, F., Schiavi, A., Rucinski, A. *Commissioning of GPU–Accelerated Monte Carlo Code FRED for Clinical Applications in Proton Therapy.* Front. Phys. 8, 403 (2021) https://doi.org/10.3389/fphy.2020.567300 Gajewski, J., Schiavi, A., Krah, N., Vilches-freixas, G., Rucinski, A., Patera, V., Rinaldi, I. *Implementation of a Compact Spot-Scanning Proton Therapy System in a GPU Monte Carlo Code to Support Clinical Routine.* Front. Phys. 8, 1–14 (2020) https://doi.org/10.3389/fphy.2020.578605 Krah, N., Patera, V., Rit, S., Schiavi, A., Rinaldi, I. *Regularised patient-specific stopping power calibration for proton therapy planning based on proton radiographic images.* Physics in Medicine and Biology (2019) 64 (6), art. no. 065008 https://doi.org/10.1088/1361-6560/ab03db McNamara K., Schiavi A., Borys D., Brzezinski K., Gajewski J., Kopec R., Rucinski A., Skora T., Makkar S., Hrbacek J., Weber D.C., Lomax A.J., Winterhalter C. *GPU accelerated Monte Carlo scoring of positron emitting isotopes produced during proton therapy for PET verification* Physics in Medicine and Biology (2022) 67 art. no. 244001 https://doi.org/10.1088/1361-6560/aca515