Delineation and agreement of FET PET biological volumes in glioblastoma: results of the nuclear medicine credentialing program from the prospective, multi-centre trial evaluating FET PET In Glioblastoma (FIG) study—TROG 18.06. - Barry, Nathaniel; Francis, Roslyn J.; Ebert, Martin A.; Koh, Eng-Siew; Rowshanfarzad, Pejman; Hassan, Ghulam Mubashar; Kendrick, Jake; Gan, Hui K.; Lee, Sze T.; Lau, Eddie; Moffat, Bradford A.; Fitt, Greg; et al. (European Journal of Nuclear Medicine & Molecular Imaging, 2023)