Misc

The [Formula presented] correction to the swimming speed in a Giesekus fluid (equation 3.3) in the aforementioned article was reported incorrectly. The corrected equation is [Formula presented] Subsequently, equations 3.4 and 3.5 in the article should respectively be [Formula presented] [Formula presented] The coefficient of De3 in these two equations was previously reported as −2.62 and +2.62, respectively. These changes will also reflect in figure 1 of the original manuscript which on correction becomes [Formula presented] The error does not change the message and conclusion of the article. We regret any inconvenience this may have caused. We thank Professor Kostas D. Housiadas for pointing out the error.