Scientific Reports 5: Article number: 15220; published online: 14 October 2015; updated: 17 November 2015

The original version of this Article contained a typographical error in the spelling of the author Chunbao Li, which was incorrectly given as Chunbao Lu.

In addition, there was an error in Figure 8, where the y-axis label ‘Serum LBP (ng/ml)’ was incorrectly given as ‘Serum LBP (mg×ml-1). The correct Figure 8 appears below as Figure 1. These errors have now been corrected in the PDF and HTML versions of the Article.

figure 1