Monitoring the Progression of Pre-Ataxic Gait in SCA2 with Inertial Sensors Over Four Years. - Velázquez-Pérez, Luis; Rodríguez-Labrada, Roberto; Gonzalez-Garcés, Yasmany; Carrillo-Rodes, Frank J.; Rodríguez-Díaz, Julio C.; Vázquez-Mojena, Yaimeé; Ziemann, Ulf; Auburger, Georg; Horak, Fay; Gomez, Christopher (Cerebellum, 2026)