Correction to: Scientific Reports https://doi.org/10.1038/s41598-018-21618-0, published online 21 February 2018

In Figure 7B, the ‘4 day’ slide is incorrect. The correct Figure 7 appears below as Figure 1.

Figure 1
figure 1

(A,B) Fluorescence images comparing the cell migration when rCCs were cultured on the membranes of randomly oriented and radially aligned fibers, respectively, for 8 days. The scratch test adapted to the mats with a 5 × 3 × 3 mm3 stainless steel strip for cell migration studies along their surface topography.