Fig. 1From: Control strategies used in lower limb exoskeletons for gait rehabilitation after brain injury: a systematic review and analysis of clinical effectivenessPRISMA flowchart for identification and screening of eligible studies for the current review. The total number of studies is not equal to the sum of the studies divided per level of impairment and/or acuity as, in some studies, participants were pooled together independently of their acuity or GMFCS levelsBack to article page