The mentioned paper, "Galvanotactic control of collective cell migration in epithelial monolayers," published in "Nature Materials" is unfortunately pay-walled

The mentioned paper, "Galvanotactic control of collective cell migration in epithelial monolayers," published in "Nature Materials" is unfortunately pay-walled and I haven't found any other copies: http://dx.doi.org/10.1038/nmat3891 http://dx.doi.org/10.1038/nmat3891 http://www.nature.com/nmat/journal/v13/n4/full/nmat3891.html http://www.nature.com/nmat/journal/v13/n4/full/nmat3891.html