Correction to “Effects of Innovative WALKBOT Robotic-Assisted Locomotor Training on Balance and Gait Recovery in Hemiparetic Stroke: A Prospective, Randomized, Experimenter Blinded Case Control Study With a Four-Week Follow-Up” [Jul 15 636-642]

In the above-named work, [ibid., vol. 23, no. 4, pp. 636-642, Jul. 2015], the following information should have appeared in the first footnote: "Soo-Yeon Kim and Li Yang contributed equally to this paper. Yong-Il Shin is the corresponding author."