Safety, Feasibility, and Efficacy of the Lumbar Type Hybrid Assistive Limb with Brain Injury-Related Lower Limb Hemiparesis in the Acute Phase: A Pilot Randomized Crossover Trial. - Kitamura G; Tanaka H; Nankaku M; Kikuchi T; Kawano T; Komatsu T; Miyamoto S; Ikeguchi R (NeuroRehabilitation, 2026)