This article was republished on July 2, 2015 to correct errors in figures that were introduced during the typesetting process as well as errors in the Author Contributions. The publisher apologizes for the errors. Please download this article again to view the correct version. The originally published, uncorrected article and the republished, corrected article are provided here for reference.
Authors: Omaththage P Perera; Kent S Shelby; Holly J R Popham; Fred Gould; Michael J Adang; Juan Luis Jurat-Fuentes Journal: PLoS One Date: 2015-06-05 Impact factor: 3.240