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Makeyev O, Luna-Munguía H, Rogel-Salazar G, Liu X, Besio WG.Makeyev O, et al.IEEE Trans Neural Syst Rehabil Eng. 2013 May;21(3):383-90. doi: 10.1109/TNSRE.2012.2198244. Epub 2012 Jun 5.IEEE Trans Neural Syst Rehabil Eng. 2013.PMID: 22692938Free PMC article.