There was an error published in Development (2017) 144, dev152686 (doi:10.1242/dev.152686).

In Table 1B,C, the headings were incorrectly changed to match the heading of Table 1A.

Corrected:

Table 1A. Ratio of genotypes of offspring from Hoxa5flox/+; Dermo1+/Cre×Hoxa5flox/flox

Table 1B. Ratio of genotypes of offspring from Hoxa5flox/flox; Dermo1+/Cre×Hoxa5+/−

Table 1C. Ratio of genotypes of offspring from Hoxa5flox/+; Olig2+/Cre×Hoxa5flox/flox

Original:

Table 1A. Ratio of genotypes of offspring from Hoxa5flox/+; Dermo1+/Cre×Hoxa5flox/flox

Table 1B. Ratio of genotypes of offspring from Hoxa5flox/+; Dermo1+/Cre×Hoxa5flox/flox

Table 1C. Ratio of genotypes of offspring from Hoxa5flox/+; Dermo1+/Cre×Hoxa5flox/flox

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We apologise to the authors and readers for this error and any inconvenience it may have caused.