摘要：Scientific Reports 2 , Article number: 341 10.1038/srep00341 ( 2012 ); Published: 28 March 2012 ; Updated: 20 March 2013 There are several typographical errors in this Article. In the legend of Figure 7, “(Open triangles with dashed line)” should read, “(Open triangles with solid line)” and, “(Open circles with solid line)” should read, “(Open circles with dashed line)”.
