Geographical location of population affiliations from 20 different continental regions used in scattered plot analyses.

<p>^a Latitudes in the northern hemisphere were listed with positive values, as were longitudes in the eastern hemisphere; Latitudes in the southern hemisphere were listed with negative values, as in longitudes of western hemisphere. Abbreviations used were same as those in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0118660#pone.0118660.t001" target="_blank">Table 1</a>.</p><p>Geographical location of population affiliations from 20 different continental regions used in scattered plot analyses.