Scientific Reports 7: Article number: 45816; published online: 06 April 2017; updated: 16 May 2017.

The original version of this Article contained an error in Affiliation 2, which was incorrectly given as:

‘Department of Biophysics, School of Life Sciences, Manipal University, Manipal, 567014, India’.

The correct affiliation is listed below:

‘Department of Biophysics, School of Life Sciences, Manipal University, Manipal 576104, India’.

This error has now been corrected in the HTML and PDF versions of the Article, as well as the accompanying Supplementary Information.