Correction: Period2 deficiency blunts hypoxia-induced mobilization and function of endothelial progenitor cells.

The images for Fig. 2B are incorrect. The authors have provided a correct version here.

Fig 2

Per2−/− decreased the number of CD34+ progenitors and capillary density in mice.

(A) Representative immunostaining of CD34 to identify progenitors and (B) CD31 to identify capillaries. Original magnification: 400×. Quantitative analysis of (C) CD34+ cells and (D) capillary density (** p<0.01 vs sham-operated, ## p<0.01 vs MI WT).