Original citation: J. Clin. Invest. 2011;121(6):2221–2241. doi:10.1172/JCI43254.
Citation for this erratum: J. Clin. Invest. 2012;122(2):782. doi:10.1172/JCI62879.
During the preparation of this manuscript, Figure 7B was inadvertently mislabeled. The correct figure appears below.
Figure 7.
The JCI regrets the error.

