Correction to: Hypertension Research (2012) 35, 1171–1175; doi:10.1038/hr.2012.105; published online 5 July 2012

Since the publication of this article, the errors in Figure 3 and in Table 1 have been noticed. The errors have now been rectified, and the correct article appears in this issue. The html and online pdf versions have also been rectified.