Hereditary Ataxias: From Pathogenesis and Clinical Features to Neuroimaging, Fluid, and Digital Biomarkers—A Scoping Review. - Bernardi, Eugenio; López-Lombardía, Óscar; Olmedo-Saura, Gonzalo; Pagonabarraga, Javier; Kulisevsky, Jaime; Pérez-Pérez, Jesús (International Journal of Molecular Sciences, 2026)