Relationship between simultaneously acquired resting-state regional cerebral glucose metabolism and functional MRI: a PET/MR hybrid scanner study - Aiello, M; Salvatore, E; Cachia, A; Pappatà, S; Cavaliere, C; Prinster, A; Nicolai, E; Salvatore, M; Baron, J C; Quarantelli, M (NeuroImage, 2015)