Correction to: npj Systems Biology and Applications https://doi.org/10.1038/s41540-017-0025-0, published online 25 August 2017

In Fig. 2a of this article an inaccurate equation was shown for the circulation current; the equation should have appeared as shown below. This has now been amended in the HTML and PDF versions of the article.

figure 2

Fig. 2

In the Supplementary Information for this article, the equations e, i and j in section IV. Ionic flows and currents were incorrect. The descriptions of n and T were incorrect, and n was not described. A new Supplementary Information file has been uplodaded with the correct information.