Scientific Reports 6: Article number: 3197410.1038/srep31974; published online: August 23 2016; updated: September 22 2016
In the original version of this Article, there were typographical errors in Affiliation 1 which was incorrectly given as ‘Multidisciplinary Nanotechnology Centre, College of Engineering, Swansea University, Bay Campus, Swansea, SA1 8QQ, UK.’ The correct affiliation is listed below:
Multidisciplinary Nanotechnology Centre, College of Engineering, Swansea University, Bay Campus, Swansea, SA1 8EN, UK.
This error has now been corrected in the PDF and HTML versions of this Article.