Some of the funders listed in the Funding statement did not contribute financially to this study. The publisher apologizes for the error. The correct funding information is as follows: This work was supported by a grant from Kyung Hee University 2013 [KHU-20130438].
Authors: Muhammad Idris; Shujaat Hussain; Muhammad Hameed Siddiqi; Waseem Hassan; Hafiz Syed Muhammad Bilal; Sungyoung Lee Journal: PLoS One Date: 2015-08-25 Impact factor: 3.240