There was an error published in Development 143, 1523-1533.

The author affiliations should have been listed as follows.

Ryan C. Range1,2 and Zheng Wei2

1Department of Biological Sciences, Mississippi State University, Mississippi State, MS 39762, USA. 2National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD 20892, USA.

We apologise to the authors and readers for this mistake.