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In the above titled paper (ibid, vol. 55, no. 2, pp. 255-262, May 2012), originally an Early Access article on IEEE Xplore and now included in this current issue, reference  is missing; it is cited as  in this correction. In Section II of the original paper, reference  should be cited in the following sentence of the fourth paragraph: " In , a lab-at-home approach is proposed at the Universidad de la Republica in Montevideo, Montevideo, Uruguay."