Vol. 211 No. 5, December 7, 2015. Pages 1057–1075.

The authors inadvertently omitted Preethi Vijayaraj from the list of authors. The corrected author list appears above. Her affiliation is Translational Centre for Regenerative Medicine Leipzig and Institute of Biology, Division of Cell and Developmental Biology, University of Leipzig, 04103 Leipzig, Germany. Her present address is Department of Pediatrics, University of California, Los Angeles, Los Angeles, CA 90095.

The HTML and PDF versions of this article have been corrected. The error remains only in the print version.