There were errors in Development (2017) 144, 2748-2763 (doi: 10.1242/dev.146811).
Several images were inadvertently duplicated in Fig. 1F and Fig. S1E. All the original data for these figures were reviewed by the journal and the correct panels are shown below.
This error does not affect the conclusions of the paper. The authors apologise to readers for any confusion caused.
© 2018. Published by The Company of Biologists Ltd
2018
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