There was an error published in Development134, 801-811.
On p. 802, Engleka et al.(2005) was mistakenly cited. The text should have read `We crossed Pax3-cretg/+;N2f/+ (floxed Notch2)/+males (Li et al., 2000) to N2f/f females to obtain Pax3-cretg/+;N2f/f embryos or pups'.
The authors apologise to readers for this mistake.