Skip to Main Content
In the above titled paper (ibid., vol. 20, no. 3, pp. 395-404, May 2012), the first footnote should have indicated that the two authors who had equally contributed to the manuscript were S. Raspopovic and M. Capogrosso and not S. Raspopovic and S. Micera. Also, the captions of Figs. 1 and 2 are corrected and presented here.