Gait parameters were recorded at a sampling rate of 200 Hz during T0, T1 and T2 with two inertial foot-sensors (Physilog®5, Gait Up, Switzerland). Mean stride time (second), speed (meter per second), stride length (meter) and cadence (number of steps per second), as well as their respective coefficient of variation (CV, [standard deviation/mean]*100) were computed.
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