Correction: Breast Tumor Kinase (Brk/PTK6) Is a Mediator of Hypoxia-Associated Breast Cancer Progression

In this article (Cancer Res 2013;73:5810–20), which was published in the September 15, 2013, issue of Cancer Research (1), the URL on page 5812 is incorrect; the sentence should read as follows:

Survival analysis was conducted using the van't Veer microarray dataset downloaded from Rosetta Inpharmatics (42).

The online version of the article has been corrected and no longer matches the print.