Scientific Reports 5: Article number: 10038; published online: 12 May 2015; updated: 03 August 2015

In the original version of this Article, there is a typographical error in Affiliation 1 which was incorrectly listed as ‘Institute of Biotechnology and Nanotechnology, A*STAR, The Nanos, #04-01, 31 Biopolis Way, Singapore 138669, Singapore’. The correct affiliation is listed below:

Institute of Bioengineering and Nanotechnology, A*STAR, The Nanos, #04-01, 31 Biopolis Way, Singapore 138669, Singapore

This error has now been corrected in the PDF and HTML versions of the Article.