title: Introduction to the supplement.
authors.forename: M
authors.initials: M
authors.lastname: Filippi
authors.forename: G
authors.initials: G
authors.lastname: Comi
mesh_terms: D000818:Animals; D001921:Brain / Q000033:anatomy & histology / Q000473:pathology; D004058:Diffusion; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000295:instrumentation / Q000639:trends*